stay home and keep learningthe pie chart represents the favorite stars (bollywood stars srk, sk, ak,...
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Stay HomeAnd
Keep Learning
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आप अभी भी NTPC की तयारी करसकत ह,समय बबााद ना कर, इसका सहीउपयोग कर,एक बार COURSE जरर परा करन काअततम मौका||
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शर हो चका ह
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Mind-blowing QuestionSolution -4
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NTPC LOCK DOWN SERIES SESSION-07
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Read the data given and answer the following questions:
दिए गए आकडो को पढ और निमननिनित परशनो क उततर ि:
In a class of 60 students, 42 like Maths, 32 like English, 12 like neither
Maths nor English.
60 छातरो की एक ककषा म, 42 गनित पसि करत ह, 32 अगरजी पसि करत ह और 12 ि
तो गनित ि ही अगरजी पसि करत ह।
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What percentage of the total number of students in the class who like
only Mathematics?
जो छातर कवि गनित पसि करत ह व ककषा म कि छातरो की सखया का दकतिा परनतशत
ह?
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(A) 26.67% (B) 24.22% (C) 28.80% (D) 32.82%
.
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How many students like, both Maths and English?
दकति छातर, गनित और अगरजी िोिो पसि करत ह?
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(A) 28 (B) 26 (C) 16 (D) 12
.
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If sin x =45
, then sec2 x – 1 = ?
यदि sin x =45ह, तो sec2 x – 1 = ?
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(A) 1625
(B) 259
(C) 916
(D) 169
.
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Find the HCF of 1757, 2259 -
1757, 2259 का महतम समापरतय बताय -
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(A) 231 (B) 241 (C) 251 (D) 261
.
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An army captain wants to keep his soldiers in an equal number of rows
and columns. If the total number of soldiers is 2209, then how many
soldiers will be in the last row?
एक सिा का कपताि अपि जवािो को एक बराबर सखया म पनियो और सतमभो म रििा
चाहता ह। यदि जवािो की कि सखया 2209 ह, तो अनतम पनि म दकति जवाि होग?
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(A) 63 (B) 49 (C) 47 (D) 37
.
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Given w = –2, x = 3, y = 0 and z = –12, find the value of w2 (z𝟐+ 𝒚𝟐).
दिए गए w = –2, x = 3, y = 0 और z = –12तो w2 (z𝟐+ 𝒚𝟐) का माि जञात
कीनजए?
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(A) ±2 (B) –2 (C) 2 (D) 4
.
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Following table gives the expenditures of a company (in lakh rupees) per annum
over the given years.
निमननिनित तानिका दिए गय वरषो म परनत वरषष एक कपिी ( िाि रपय म) का वयय बताती ह।
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Year
Item of Expenditure
SalaryFuel and Transport
BonusInterest on
loansTaxes
1998 288 98 3.00 23.4 83
1999 342 112 2.52 32.5 108
2000 324 101 3.84 41.6 74
2001 336 133 3.68 36.4 88
2002 420 142 3.96 49.4 98
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The ratio between the total expenditure on taxes for all the years and the total
Bonus for all the years respectively are?
सभी वरषो क निए करो पर कि वयय तथा सभी वरषो क निए कि बोिस क बीच करमशः अिपात ह?
(A) 9 : 40 (B) 25 : 13 (C) 451 : 17 (D) 1 : 25
Year
Item of Expenditure
SalaryFuel and Transport
BonusInterest on
loansTaxes
1998 288 98 3.00 23.4 83
1999 342 112 2.52 32.5 108
2000 324 101 3.84 41.6 74
2001 336 133 3.68 36.4 88
2002 420 142 3.96 49.4 98
.
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The total expenditure of the company over the items during the year 2001 is -
वरषष 2001 क िौराि वसतओ पर कपिी का कि वयय ह -
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(A) Rs. 590 lakhs (B) Rs. 598 lakhs (C) Rs. 597 lakhs (D) Rs. 597.08 lakhs
.
Year
Item of Expenditure
SalaryFuel and Transport
BonusInterest on
loansTaxes
1998 288 98 3.00 23.4 83
1999 342 112 2.52 32.5 108
2000 324 101 3.84 41.6 74
2001 336 133 3.68 36.4 88
2002 420 142 3.96 49.4 98
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Out of the 100 nature lovers, 20 people wanted to see only bison, 30 wanted to see both
bison and tiger, 15 wanted to see only leopard, 25 wanted to see only tiger, 5 wanted to see
both bison and leopard and the remaining wanted to see only bear.
100 परकनत परनमयो म स, 20 िोग कवि बाइसि िििा चाहत थ, 30 बाइसि और बाघ िोिो िििा चाहत थ,
15 कवि तिआ िििा चाहत थ, 25 कवि बाघ िििा चाहत थ, 5 बाइसि और तिआ िोिो िििा चाहत थ और
बच हए कवि भाि को िििा चाहत थ।
How many people wanted to see only one animal ?
दकति िोग कवि एक जािवर को िििा चाहत थ?
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(A) 35 (B) 65 (C) 60 (D) 50
.
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Out of the 100 nature lovers, 20 people wanted to see only bison, 30 wanted to see
both bison and tiger, 15 wanted to see only leopard, 25 wanted to see only tiger, 5
wanted to see both bison and leopard and the remaining wanted to see only bear.
100 परकनत परनमयो म स, 20 िोग कवि बाइसि िििा चाहत थ, 30 बाइसि और बाघ िोिो िििा
चाहत थ, 15 कवि तिए िििा चाहत थ, 25 कवि बाघ िििा चाहत थ, 5 बाइसि और तिए िोिो
िििा चाहत थ और बच हए कवि भाि को िििा चाहत थ।
How many people who wanted to see bison, but did not want to see leopard ?
दकति िोग जो बाइसि िििा चाहत थ, िदकि तिआ िही िििा चाहत थ?
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(A) 5 (B) 15 (C) 50 (D) 55
.
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Out of the 100 nature lovers, 20 people wanted to see only bison, 30 wanted to see
both bison and tiger, 15 wanted to see only leopard, 25 wanted to see only tiger, 5
wanted to see both bison and leopard and the remaining wanted to see only bear.
100 परकनत परनमयो म स, 20 िोग कवि बाइसि िििा चाहत थ, 30 बाइसि और बाघ िोिो िििा
चाहत थ, 15 कवि तिए िििा चाहत थ, 25 कवि बाघ िििा चाहत थ, 5 बाइसि और तिए िोिो
िििा चाहत थ और बच हए कवि भाि को िििा चाहत थ।
The ratio of people who wanted to see tiger to those who wanted to see bear is -
जो िोग बाघ को िििा चाहत थ, उिका उि िोगो स अिपात जो भाि िििा चाहत थ-
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(A) 1/11 (B) 11/3 (C) 11/1 (D) 3/11
.
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If tan A =𝟏𝟓
𝟖and tan B =
𝟕
𝟐𝟒, then tan (A – B) = ?
अगर tan A =𝟏𝟓
𝟖और tan B =
𝟕
𝟐𝟒, तो tan (A - B) = ?
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(A) 𝟑𝟎𝟒
𝟐𝟗𝟕(B)
𝟑𝟎𝟒
𝟒𝟐𝟓(C)
𝟒𝟏𝟔
𝟖𝟕(D)
𝟖𝟕
𝟒𝟏𝟔
.
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The pie chart represents the favorite stars (Bollywood stars SRK, SK, AK, HR and VD) of the people of a family.
Consider the pie chart and answer questions based on it.
पाई चारष एक पररवार क िोगो क पसिीिा नसतारो (बॉिीवड नसतार SRK, SK, AK, HR और VD) को परसतत करता ह।
पाई चारष पर नवचार कर और उसक आधार पर परशनो क उततर ि।
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HR20%
AK15%
VD10%
SK30%
SRK25%
.
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If there are 40 people in the family, what is the difference between those who like
AK and those who like VD ?
यदि पररवार म 40 िोग ह, तो AK को पसि करि वािो और VD को पसि करि वािो म कया अतर ह?
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(A) 2 (B) 3 (C) 4 (D) 6
.
HR20%
AK15%
VD10%
SK30%
SRK25%
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The ratio of people who like SRK to those who like SK is.
SRK को पसि करि वािो का, SK को पसि करि वािो स अिपात ह।
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(A) 6/5 (B) 5/6 (C) 1/2 (D) 2/1
.
HR20%
AK15%
VD10%
SK30%
SRK25%
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The sector angle corresponding to the HR is.
HR क अिरप कषतर का कोि ह।
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(A) 36° (B) 72° (C) 54° (D) 108°
.
HR20%
AK15%
VD10%
SK30%
SRK25%
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The height of a light house is 20 meters above sea level. The angle of depression
(from the top of the lighthouse) of a ship in the sea is 30°. What is the distance of
the ship from the foot of the light house?
एक िाइर हाउस की ऊचाई समदर ति स 20 मीरर ह। समदर म एक जहाज का अवसाि (परकाश सतभ क
ऊपर स) 30 ° ह। िाइर हाउस क पाि स जहाज की िरी दकतिी ह?
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(A) 16 m (B) 20 3 m (C) 20 m (D) 30 m
.
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Three numbers are given, in which the second is triple to the first and is also double
to the third. If the average of the three numbers is 66, find the first number.
तीि सखयाए िी गई ह, नजसम िसरी, पहिी स नतगिी ह और तीसरी स िगिी ह। यदि तीिो सखयाओ का
औसत 66 ह, तो पहिी सखया जञात कीनजए।
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(A) 36 (B) 54 (C) 108 (D) 72
.
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Pihu and Aayu are running on a circular track of diameter 28 m. Speed of Pihu is 48
m/s and that of Aayu is 40 m/s. They start from the same point at the same time in
the same direction. When will they meet again for the first time ?
नपह और आय 28 मीरर वयास क एक गोिाकार टरक पर चि रह ह। नपह की गनत 48 मीरर / सक ड ह
और आय की गनत 40 मीरर / सक ड ह। व समाि समय पर एक ही दिशा म एक ही बबि स शर होत ह। व
पहिी बार दिर कब नमिग?
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(A) 8 seconds/सकणड (B) 11 seconds/सकणड
(C) 13 seconds/सकणड (D) 14 seconds/सकणड
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If (x + 1/x) = 2, then find the value of (x3 + 1/x3) ÷ (x18 +
1/x18)
यदि (x + 1/x) = 2, तो (x3 + 1/x3) ÷ (x18 + 1/x18) का माि जञात
कर–
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(A) 2/9 (B) 5 (C) 1 (D) 1/9
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The angle of elevation of the top of a tower at a distance of 25 m from
its foot is 60°. The approximate height of the tower is -
अपि पाि स 25 मीरर की िरी पर एक रॉवर क शीरषष का कोि 60 ° ह। रॉवर की
अिमानित ऊचाई ह -
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(A) 20.3 m (B) 15.3 m (C) 36.3 m (D) 43.3 m
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4 years ago, the ratio of Vikah’s age to Rahul’s age was 3 : 5. After 6
years, this ratio would become 4 : 5. Find present age of Rahul.
4 साि पहि, नवकास स राहि की उमर का अिपात 3: 5 था। 6 साि बाि, यह अिपात
4 : 5 हो जाएगा। राहि की वतषमाि आय जञात कर।
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(A) 10 (B) 15 (C) 14 (D) 17
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12 men and 16 women together can complete a work in 4 days. It takes 80 days for
one man alone to complete the same work, then how many days would be required
for one woman alone to complete the same work ?
12 पररष और 16 मनहिाए एक साथ 4 दििो म एक काम परा कर सकत ह। उसी काम को परा करि म
अकि एक पररष को 80 दिि िगत ह, तो उसी काम को परा करि क निए एक मनहिा को अकि दकति
दििो की आवशयकता होगी?
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(A) 160 (B) 150 (C) 130 (D) 175
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