March 2018MCurrent A fa rs

India Energy Congress 2018l The Power and New and Renewable

Energy Minister RK Singh

inaugurated the 7th India Energy

Congress 2018 on February 1, 2018.

l It is organised by World Energy

Council India with theme “Energy

4.0: Energy Transition Towards

2030”, in New Delhi.

l India’s per capita power

consumption of 1,200 units is likely

to go up by three to four times by

2030, announced by the Union

Minister R K Singh.

National Handloom Expo2018l The National Handloom Expo (NHE)

has been inaugurated by Assam

Handloom and Textile Minister

Ranjit Dutta at Guwahati, Assam on

January 29, 2018.

l The event is sponsored by

Development Commissioner of

Handloom, Govt of India and

organized by Assam Apex Weavers &

Artisans Co-operatve Federation Ltd.

(ARTFED).

l Total 130 stalls have been set up and

12 states are participating in the

event.

Leadership ConclaveOrganised by Art of Livingl Information and Broadcasting

Minister Smriti Irani attended a

leadership conclave on January 29,

2018 organised by the Art of Living

in New Delhi.

l She shared her experience on a wide

array of subjects with students and

professionals.

l Speaking on the occasion the

challenges come in everyone's lives

but it depends on them how they

turn challenges into opportunities.

India’s Republic DayCelebrationl The ceremonial Republic Day Parade

2018 was held on January 26, 2018

at Rajpath to celebrate 69th Republic

Day.

l It was presided over by President

Ram Nath Kovind and 10 leaders of

Association of Southeast Asian

Nations (ASEAN) were guests of

honour.

l Guests were- Aung San Suu Kyi

(Myanmar State), Dato’ Sri Haji

Mohammad Najib bin Tun Haji

Abdul Razak (Prime Minister of

Malaysia), General Prayut

Chan-o-cha (Prime Minister of

Thialand), Hassanal Bolkiah (Sultan

of Brunei), Hun Sen (Prime Minister

of Cambodia), Joko Widodo

(Ppresident of Indonesia), Lee Hsien

Loong (Prime Minister of

Singapore), NGUYEN Xuan Phuc

(Prime Minister of republic of

Vietnam), Rodrigo Duterte

(President of Phillipenes) and

Thongloun Sisoulith (Prime Minister

of Laos).

l The Parade saw the first-ever tableau

by All India Radio and Income Tax

Department.

‘Sachin – A Billion Dreams’Won Awardsl “Sachin: A Billion Dreams”, a biopic

on Sachin Tendulkar, has won two

awards on January 21, 2018 at the

11th Tehran International FICTS

Festival 2018, in Iran.

l Helmer James Erskine won the the

Best Director of a Long Documentary

trophy and an honorary diploma for

“Sachin – A Billion Dreams”.

l Producer of “Sachin – A Billion

Dreams” Ravi Bhagchandka won the

Special Award for the Best Film in

the Long Documentary section.

9

National

Current Affairs

March 2018MCurrent A fa rs32

APPOINTMENT

Neelam Kapoorl Senior IIS Officer Neelam Kapoor was

appointed as Director General (DG) of

Sports Authority of India (SAI) on

January 31, 2018.

l She is currently the Principal Director

General of the Directorate of Field

Publicity (DFP). Neelam Kapoor is an

Indian Information Service officer.

Sauli Niinistol Finland's moderate President Sauli

Niinisto has declared his re-election on

January 28, 2018.

l He has been elected for a new six-year

term after securing a comfortable lead

in the early results from the recent

election.

l With about 86% of votes counted,

Niinisto had won 62.1%, compared

with 13.1% for closest rival Pekka

Haavisto.

Dr. V. Narayananl Dr V Narayanan, a rocket propulsion

expert, has taken charge as new

Director of ISRO’s Liquid Propulsion

Systems Centre (LPSC) on January 26,

2018.

l He succeeded S Somanath, who has

been appointed Director of, Vikram

Sarabhai Space Centre (VSSC).

l Narayanan played a vital role in the

successful launch of GSLV Mk III

vehicle in its maiden attempt in 2017

from the spaceport of ISRO “Satish

Dhawan Space Centre”.

Dilip Chenoyl The Federation of Indian Chambers of

Commerce & Industry (FICCI) has

appointed ‘Dilip Chenoy’ on January

24, 2018 as its Director General (DG).

l Earlier, he was Chairman of Sant

Longowal Institute of Engineering and

Technology and Member, Board of

Advisors, IILM.

l He was awarded the Game Changer

Award in 2015 and the Rashtriya

Media Ratan Award.

l Sudeep Lakhtakia

l Sudeep Lakhtakia was appointed on

January 19, 2018 as the new Director

General (DG) of National Security

Guard (NSG).

l He will replace SP Singh as DG

(Director General) of National Security

Guard. SP Singh retires from the post

in the end of January 2018.

Anandiben Patell Indian politician and the former

Chief Minister of Gujarat

Anandiben Patel is the next

Governor of Madhya Pradesh

from January 23, 2018.

l She replaces Om Prakash Kohli

who has an additional charge of

the office of MP Governor along

with the office of Gujarat

Governor.

l She was the first woman Chief

Minister of the Gujarat state.

Om Prakash Rawatl Om Prakash Rawat, the

senior-most Election

Commissioner, has been

appointed as the new Chief

Election Commissioner (CEC).

l He succeeded AK Joti on

January 23, 2018 and will have

tenure of almost a year till his

retirement in December 2018.

l Election Commissioners have a

fixed term of six years but have

to step down if they reach 65

years of age before their term

expires.

In Discussion ...

Current Affairs

1. Who has been appointed as Director(Projects), NTPC, the state-ownedcompany?a. Pawan Kumar Bansal

b. Mohan Kumar Acharya

c. Dinesh Kumar Gopi

d. Susanta Kumar Roy

2. Which Small Finance Bank has signedan MoU with LIC to offer Pradhan MantriJeevan Jyoti Bima Yojana (PMJJBY)?a. AU Small Finance Bank

b. Ujjivan Small Finance Bank

c. Equitas Small Finance Bank

d. Capital Small Finance Bank

3. India became the ……… member of theAustralia Group, which counters theexport of material, equipment andtechnologies that could create chemicaland biological weaponsa. 37th b. 41st

c. 43rd d. 47th

4. Which State government hasannounced 1% reservation for orphans ingovernment jobs and education?a. Kerala b. Maharashtra

c. Haryana d. Karnataka

5. Who has been appointed as theChairman of Indian Space ResearchOrganisation (ISRO) to replace of ASKiran Kumar?a. K. Sivan b. B. Ganesh

c. K. Harish d. L. Gokul

6. Which State government and NITIAayog have entered into an MoU fordevelopment of monitoring mechanism?a. Uttar Pradesh

b. Madhya Pradesh

c. Himachal Pradesh

d. Andhra Pradesh

7. Which bank was crossed ` 5 trillionmarket capitalisation for the first time,making it only the third Indian companyto achieve this milestone?a. Yes Bank b. ICICI Bank

c. Axis Bank d. HDFC Bank

8. Which railway station has become

India’s first railway station to have a

sanitary napkin vending machine?a. Bhopal Railway Station

b. Howrah Railway Station

c. Vijayawada Railway Station

d. Trivandrum Railway Station

9. Which bank ties up with Transfast

Remittance LLC for remittance?a. Bank of India b. Canara Bank

c. Vijaya Bank d. State Bank of India

10. The World Bank has projected India’s

GDP growth rate at 7.3% for 2018 and

……… for the next two years.a. 5.9% b. 6.8%

c. 7.5% d. 7.7%

11. India has successfully conducted the

‘first pre-induction trial’ of its over

5000 km range ……… intercontinental

ballistic missile.a. Agni-III b. Agni-IV

c. Agni-VI d. Agni-V

12. The Union Cabinet has approved a

Memorandum of Understanding (MoU)

with ……… for cooperation in the field of

Science & Technology.a. Germany b. Singapore

c. Chile d. Canada

13. The Union Cabinet cleared a proposal

allowing ……… Foreign Direct Investment

(FDI) in single-brand retail via automatic

routea. 100% b. 90%

c. 75% d. 50%

14. Who has been appointed as the

Chairman of the Geneva-based World

Business Council for Sustainable

Development?a. Sunny Verghese b. Anand Mahindra

c. Subrata Roy d. Deepak Parekh

15. Who was named as the ICC Cricketer

of the Year?a. Rohit Sharma b. MS Dhoni

c. Steve Smith d. Virat Kohli

16. Which State government has decidedto use the blockchain technology and isplanning to bring out a White Paper on‘Blockchain Use in Governance’ as aprelude to a separate policy?a. Karnataka b. Andhra Pradesh

c. Maharashtra d. Haryana

17. Which company tops ThomsonReuters top 100 global tech leaders list?a. Samsung b. Microsoft

c. Apple d. Google

18. Famous footballer Ronaldinho hasretired from football, he belongs toa. Brazil b. Spain

c. Russia d. Germany

19. Ministry of Railways have launchedSmart Freight Operation Optimisationand Real Time Information (SFOORTI)App for Freight Managers, who is theUnion Minister of Railways?a. Suresh Prabhu b. Nitin Gadkari

c. Piyush Goyal d. Sadananda Gowda

20. EBI has approved appointment of……… as Managing Director and CEO ofNational Commodity and DerivativesExchange (NCDEX).a. Vijay Kumar b. Arjun Rawat

c. Vikram Prasad d. Anil Kapoor

21. The government has extended thedeadline for linking Aadhaar with smallsaving schemes bya. June 30, 2018

b. September 30, 2018

c. March 31, 2018

d. December 31, 2018

22. Who won the Mastercard HopmanCup title 2018?a. Novak Djokovic b. Roger Federer

c. Rafael Nadal d. Andy Murray

23. Indian Army Day was observed on

a. January 12 b. January 14

c. January 15 d. January 18

24. Which team won the Hockey India8th Sub-Junior Men’s NationalChampionship 2018?a. Tamil Nadu b. Assam

c. West Bengal d. Karnataka

25. Who was honoured with the JanakaviP. Sawlaram award at Thane(Maharashtra)?a. Mehul Kumar b. Deven Verma

c. Rakesh Bedi d. Sudhir Dalvi

26. The Fourth ASEAN-India MinisterialMeeting on Agriculture and Forestry(AIMMAF) was held ina. Mumbai b. New Delhi

c. Hyderabad d. Bengaluru

27. Who has been appointed as MD andCEO of National Payments Corporation ofIndia (NPCI)?a. Satish Pradhan b. Santanu Paul

c. Dilip Asbe d. Raj Verma

44 March 2018MCurrent A fa rs

1CURRENT

SHOOTERS

Directions (Q. Nos. 1-4) Select therelated words/letters/numbers from thegiven alternatives.

1. Hair : Grass :: Fur : ?

a. Feather b. Cloth

c. Wood d. Leather

2. KMF : LLH : : RMS : ?

a. SLR b. SLU

c. SSU d. SUS

3. CEH : IKN : : ?

a. ACD : FHJ b. CDF : IJK

c. EFH : KMN d. OQT : UWZ

4. 18 : 30 :: 36 : ?

a. 54 b. 62 c. 64 d. 66

Directions (Q.Nos. 5-8) Select theone which is different from the otherresponses.

5. a. Mercury b. Acetone

c. Petrol d. Kerosene

6. a. ACE b. PRT c. UWY d. MNO

7. a. 29 b. 53 c. 85 d. 125

8. a. 72, 45 b. 51, 24 c. 46, 20 d. 32, 13

Directions (Q.Nos. 9-12) Choosethe correct alternative from the givenones that will complete the series.

9. Clerk, Collector, Chief Secretary, ?,President

a. Governor b. Minister

c. leader d. Postman

10. 0.5, 0.55, 0.65, 0.8, ?

a. 0.9 b. 0.82 c. 1 d. 0.95

11. C4X, F9U, I16R, ?

a. K25P b. L25P c. L25O d. L27P

12. BZA, DYC, FXE, ?, JVI

a. HUG b. HWG c. UHG d. WHG

13. Some statements are given followedby some conclusions. You have toconsider the statements to be true even, ifthey seen to be at variance fromcommonly known facts. You have todecide which of the given conclusion ifany, follow from the given statements.

Statements Some birds are clouds.Horse is a bird.

Conclusions I. Some clouds are birds.II. Horse is not a cloud.

a. Only I follows b. Both I and III

c. Only II follows d. Only IV follows

14. Today is Thursday. The day after 59days will be

a. Sunday b. Monday

c. Tuesday d. Wednesday

15. Arrange the following wordsaccording to English Dictionary.

1. Eagle 2. Earth 3. Eager 4. Earlya. 1, 2, 4, 3 b. 2, 1, 4, 3

c. 2, 3, 4, 1 d. 3, 1, 4, 2

16. In a certain code, ‘BASKET’ is writtenas ‘5$3%#1’ and ‘TRIED’ is written as ‘14*#2’.How is ‘SKIRT’ written in that code?

a. 3%*41 b. 3*%41

c. 3%$41 d. 3#4%1

17. Select the missing number from thegiven responses.

188 300 263

893 ? 915

a. 88 b. 96 c. 238 d. 500

18. If + means ,́ - means + and ´ means¸, then find the value of 5 4 18 3+ - ´

a. -34 b. 6 c. 26 d. 15

19. Which one of the following set ofletters when sequentially placed at thegaps in the given letter series.

ab — acc — d —bb — —a. cdabc b. badaa

c. dbacd d. cdbcd

20. A river flows West to East and on theway turns left and goes in a semi circleround a hillock and then turns left at rightangles. In which direction is the riverfinally flowing?

a. West b. East

c. North d. South

21. A word is represented by only oneset of number as given in anyone of thealternatives. This sets of numbers givenin the alternatives are represented by twoclasses of alphabets as in two matricesgiven below.

The columns and rows of Matrix I arenumbered from 0 to 4 and that of MatrixII are numbered from 5 to 9. A letter fromthese matrices can be represented first byits row and next by its column, e.g., ‘T’can be represented by 30, 22 etc., and ‘R’can be represented by 57, 68 etc.Similarly, you have to identify the set forthe word ‘BALD’.

a. 12, 99, 65, 24

b. 21, 88, 95, 24

c. 43, 55, 67, 04

d. 34, 77, 76, 42

50 March 2018MCurrent A fa rs

Staff Selection Commission

SSC 10+2Combined Higher Secondary Level

(Tier-1) Exam 2017

Time … 1 hour No. of Questions 100

Model Paper

Part 1 General Intelligence

Matrix I

0 1 2 3 4

0 B T D I F

1 I D B F T

2 F B I T D

3 T I F D B

4 D F T B I

Matrix II

5 6 7 8 9

5 A L R E K

6 K A L R E

7 E K A L R

8 R E K A L

9 L A E K A

1. The Saka era commencing from AD78, was founded by

a. Kanishka b. Asoka

c. Chandragupta d. Vikramaditya

2. Ganhadra School of Art came intoexistence in

a. Hinayana sect b. Mahayana sect

c. Vaishnava sect d. Shaiva sect

3. Which Sufi’s dargah is at Ajmer?

a. Baba Farid

b. Qutb-din Bakhtiyar Kaki

c. Moinuddin Chisti

d. Khwaja Bahuddin

4. Soils of India is deficient in which ofthe following?

a. Minerals b. Biotic component

c. Texture d. Structure

5. The local time at a place is 6 am, whenthe GMT is 3 am. The longitude of thatplace is

a. 45° East b. 45° West

c. 120° East d. 120° West

6. Which is the largest sea in the world?

a. South China Sea

b. Mediterranean Sea

c. Black Sea

d. Baltic Sea

7. The river Jhelum has its source from

a. Mount Kailash b. Rohtang Pass

c. Verinag d. Kulu

8. Who is competent to dissolve theRajya Sabha?

a. The Chairman, Rajya Sabha

b. The President

c. The Joint-session of Parliament

d. None of the above

9. Point out which from the following is nota right enumerated in the Constitution ofIndia, but has been articulated by theSupreme Court to be a Fundamental Right?

a. Right to privacy

b. Equality before law

c. Abolition of untouchability

d. Right to form associations or unions

10. In electronics, what comes undertank circuit?

a. Resistance and capacity

b. Resistance and inductance

c. Capacity and inductance

d. Resistance, capacity and inductance

11. Coolis tube is used to produce

a. Radio waves b. Micro waves

c. X-rays d. Gamma rays

12. Which of the following is used forregulated electric supply?

a. Zener diode b. Junction diode

c. Gun diode d. Tunnel diode

13. Which of the following is not astringed instrument?

a. Guitar b. Sitar c. Trumpet d. Violin

14. The Legislative Council in a State inIndia may be created or abolished by the

a. President on the recommendation of theGovernor

b. Parliament

c. Parliament after the State LegislativeAssembly passes a resolution to thateffect.

d. Governor on a recommendation by theState Cabinet

15. Which of the following writs/ordersof the High Court/Supreme Court issought to get an order of an authorityquashed?

a. Mandamus b. Certiorari

c. Quo Warranto d. Habeas Corpus

16. The pressure at the bottom of a liquidtank does not depend on

a. density of the liquid

b. acceleration due to gravity

c. area of the liquid surface

d. height of the liquid

17. Water in plants is trans- ported by

a. cambium b. phloem

c. epidermis d. xylem

18. When was the Public ServiceCommission, the original version of theUPSC set-up?

a. October 1, 1926 b. April 1, 1937

c. August 15, 1947 d. January 26, 1950

19. What is the chromosome number in ahuman ovum?

a. 24 b. 46

c. 48 d. None of these

20. Hashish is obtained from a plant.From which part of the plant is itobtained?

a. Leaves

b. Stem

c. Exudate from leaves and femaleinflorescences

d. Exudate from stem and maleinflorescences

21. Which of the following is not anorgan of the UNO?

a. International Labour Organisation

b. Security Council

c. Economic and Social Council

d. International Court of Justice

22. Which from the following towns isnot on the Golden Quadrilateral beingcreated for the roads-infrastructure of thecountry?

a. Ajmer b. Ahmedabad

c. Jabalpur d. Gaya

57March 2018MCurrent A fa rs

Delhi Police

Multi-Tasking StaffRecruitment Exam 2017

Time … 90 min No. of Questions 100

Model Paper

Part I General Awareness

March 2018MCurrent A fa rs

1. Water flows through a cylindricalpipe, whose radius is 7 cm, at 5 m/sec.The time, it takes to fill an empty watertank, with height 1.54 m and area of thebase ( )3 5´ sq m, is

a. 6 min b. 5 min

c. 10 min d. 9 min

2. The sum of all the 3 digit numbers,each of which on division by 5 leavesremainder 3, is

a. 180 b. 1550 c. 6995 d. 99090

3. The sum of the first 20 terms of the

series1

5 6

1

6 7

1

7 8´+

´+

´+ ... is

a. 0.16 b. 1.6 c. 16 d. 0.016

4. Two boats A and B start towards eachother from two places, 108 km apart.Speeds of the boats A and B in still waterare 12 km/h and 15 km/h respectively. IfA proceeds down and B up the stream,they will meet after

a. 4.5 h b. 4 h c. 5.4 h d. 6 h

5. P and Q are two points observed from

the top of a building 10 3 m high. If the

angles of depression of the points arecomplementary and PQ = 20 m, then thedistance of P from the building is

a. 25 m b. 45 m c. 30 m d. 40 m

6. If p = 999, then the value of

p p p( )23 3 3 1+ + + is

a. 1000 b. 999

c. 998 d. 1002

7. Which one of the following numbers isnot a square of any natural number?

a. 17956 b. 18225

c. 63592 d. 53361

8. If x = + +1 2 3, then the

value of xx

+-

æ

èç

ö

ø÷

1

1is

a. 1 2 3+ b. 2 3+

c. 3 2+ d. 2 3 1-

9. What least number must be subtractedfrom 1936, so that the resulting numberwhen divided by 9, 10 and 15 will leave ineach case the same remainder 7?

a. 37 b. 36 c. 39 d. 30

10. A boy was asked to fine 3/5 of afraction. Instead, he divided the fraction by3/5 and got an answer, which exceeded thecorrect answer by 33/75. The correctanswer is

a. 2/15 b. 6/25 c. 2/25 d. 3/25

11. A number, when divided by 899,leaves remainder 63. What will be theremainder if the same number is dividedby 29?

a. 3 b. 1 c. 5 d. 0

12. If 5 tan ,q = 4 then the value of

5 3

5 3

sin cos

sin cos

q qq q

-+

æ

èç

ö

ø÷ is

a. 1/7 b. 2/7 c. 5/7 d. 2/5

13. A boy and girl together fill a cisternwith water. The boy pours 4 L of waterevery 3 minutes and the girl pours 3 Levery 4 minutes. How much time will ittake to fill 100 L of water in the cistern?

a. 36 min b. 42 min c. 48 min d. 44 min

14. If 28 men complete 7/8 of a piece ofwork in a week, then the number of men,who must be engaged to get the remainingwork completed in another week, is

a. 5 b. 6 c. 4 d. 3

15. Given that

1 2 31

2+ + + + =

+...

( )x

x x, then

1 3 5 99+ + + +... is equal to

a. 2250 b. 2500

c. 2525 d. 3775

16. Select the one which is different fromthe other responses?

a. (18, 45) b. (23, 14)

c. (29, 82) d. (36, 27)

17. Arrange the following wordsaccording to English dictionary:

1. Select 2. Seldom3. Send 4. Selfish5. Sellera. 1, 2, 4, 5, 3 b. 2, 1, 5, 4, 3

c. 2, 1, 4, 5, 3 d. 2, 5, 4, 1, 3

Directions (Q.Nos. 18-19) Whichone of the given responses would be ameaningful order of the followingwords in ascending order?

18. 1. Sea 2. Rivulet

3. Ocean 4. River5. Glaciera. 5, 2, 1, 3, 4 b. 5, 2, 4, 1, 3

c. 5, 4, 2, 3, 1 d. 5, 4, 3, 2, 1

19. 1. Patient 2. Diagnosis

3. Bill 4. Doctor5. Treatmenta. 1, 4, 2, 3, 5 b. 1, 4, 3, 2, 5

c. 1, 4, 2, 5, 3 d. 4, 1, 2, 3, 5

20. From the given alternatives select the

word which cannot be formed using the

letters of the given word.

EFFICIENTa. NICE b. FENCE

c. EFFACE d. FEINT

62

Railway Recruitment Boards (RRBs)

Assistant Loco Pilot& Technician Recruitment Exam 2018

FIRST STAGE

Time … 1 hour Number of Questions : 75

Model Paper

Discount is defined as the amount of rebate given on a fixed price(called as marked price) of an article. It is given by merchants/shopkeepers to increase their sales by attracting customers.

Discount = Marked Price - Selling Price

Marked Price (List Price)The price on the label of an article/product is called the marked price orlist price. This is the price at which product is intended to be sold.However, there can be some discount given on this price and actualselling price of the product may be less than the marked price. It isgenerally denoted by Marked Price.

Successive Discount

When a series of discounts (one after the other) are allowed on markedprice of an article, then these discounts are called successivediscounts.

Let, r r r1 2 3%, %, % ............ be the series of discounts on an article withmarked price of ` P, then the selling price of the article after all thediscounts is given as

Pr r r´ -æ

èçöø÷

´ -æèç

öø÷

´ -æèç

öø÷

´1100

11000

1100

1 2 3 ........

Important Formulaen Discount% =

-´

Marked Price Selling Price

Marked Price100

n Discount% = ´Discount

Marked Price100

n Selling Price = Marked Price ´ -æèç

öø÷

1100

r

n Selline Price = Marked Price - Discount

where, r% is the rate of discount allowed.

Note Discount is always calculated with respect to marked price of anarticle.

1. An item is sold for ` 680 by allowing a discount of 15%

on its marked price. The marked price of item isa. ` 600 b. ` 700 c. ` 800 d. ` 900

(c) Selling price of an item = ` 680

and rate of discount, r = 15%

\ Selling Price = Marked Price 1100

-æèç

öø÷

r

Þ 680 115

100= -æ

èçöø÷

MP Þ 680 10015

100= -æ

èçöø÷

MP

Þ MP =´

=680 100

85800`

2. A shopkeeper on the eve of Diwali allowed a series of

discount on television sets. Find the selling price of a

television set, if the marked price of television is ` 1000

and successive discounts are 10% and 5%.a. ` 800 b. ` 855 c. ` 790 d. ` 780

(b) Selling price of a television = Marked Price ´ -æèç

öø÷

-æèç

öø÷

1100

1100

1 2r r

Here, Marked Price = ` 1000, R1 10= % and R2 5= %

\ Selling Price = -æèç

öø÷

-æèç

öø÷

1000 110

1001

5

100

= ´-æ

èçöø÷

´-æ

èçöø÷

1000100 10

100

100 5

100= ´ ´ =1000

90

100

95

100855`

Short Tricks

If a shopkeeper wants to profit to R% after allowing a

discount of r%, then Marked Price (MP) of the item =-+

æ

èç

ö

ø÷CP

100

100

r

R

OR

Cost Price (CP) of the item =-+

æ

èç

ö

ø÷MP

100

100

r

R

3. The marked price of a bicycle is ` 1100. A shopkeeper

allows a discount of 10% and get a profit of 10%. The cost

price of the bicycle isa. ` 750 b. ` 800 c. ` 900 d. ` 950

(c) Let, CP of the bicycle = ` x

Then, SP of the bicycle = =110

100

11

10

x x`

Now, MP of the bicycle = ` 1100

\ SP of the bicycle =´

=1100 90

100990`

According to the question,11

10990

x = Þ x =´990 10

11Þ x = ` 900

Short TrickHere, MP = ` 1100, r = 10% and R = 10%

\ CP = MP100

1001100

100 10

100 10

-+

æ

èç

ö

ø÷ = ´

-+

r

R

( )

( )=

´=

1100 90

110900`

Single discount equivalent to two successive discounts

r1% and r2% = + -´æ

èçöø÷

r rr r

1 21 2

100%

75

Mat hs

March 2018MCurrent A fa rs

discount

1

2