theoretical distributions in business statistics 13 october
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www.afterschoool.tk AFTERSCHO☺OL's MATERIAL FOR PGPSE PARTICIPANTS
REASONING, DI AND MENTAL APTITUDE
AFTERSCHO☺OL – DEVELOPING CHANGE MAKERS
CENTRE FOR SOCIAL ENTREPRENEURSHIP PGPSE PROGRAMME –
World’ Most Comprehensive programme in social entrepreneurship & spiritual entrepreneurship
OPEN FOR ALL FREE FOR ALL
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REASONING, DI AND MENTAL APTITUDE
Dr. T.K. Jain.
AFTERSCHO☺OLCentre for social entrepreneurship
Bikaner M: [email protected]
www.afterschool.tk, www.afterschoool.tk
www.afterschoool.tk AFTERSCHO☺OL's MATERIAL FOR PGPSE PARTICIPANTS
Is the three-digit number ‘abc’ divisible by both 2 and 3? Statement 1: c - b = 3 and
b — a = 2Statement 2: 3a^2 is divisible by 2
• STATEMPENT NO. 1 ALONE IS SUFFICIENT. WE MAY TRY FOR ANY OPTION THE TOTAL IS NOT PRODUCT OF 3 THUS THE NUMBER IS NOT DIVISIBLE BY 3.
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X and Y are sisters and X is younger to Y. What is the present
age of X? Statement 1: The ratio of present ages of X and Y is 4 : 5
Statement 2: After 4 years, the ratio of ages of X and Y is 14 : 17
• BOTH THE STATEMENTS TOGETHER CAN GIVE YOU THE ANSWER. LET US TAKE THEIR AGE AS 24 AND 30 AFTER 4 YEARS IT WILL BE 28 AND 34. ANS.
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There are 40 students in a class. What is the average weight of the students? Statement 1: There are 20 boys and 20 girls in the class
Statement 2: The total weight of all the students in the class is 1,600 kg
• The 2nd statement alone is sufficient to get the answer.
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Is A the grandson of B?Statement 1: B is the husband of C
Statement 2: A is working as a Manager in B’s office
• Neither statement can give you the answer.
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Find the value of (x + y).Statement 1: x^3 + y^3=27
Statement 2:x^2 —xy+y^2 =9
• Both the statements together are required. • 27/9 = 3 is the answer.
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Vipin’s and Suresh’s salaries are in the ratio of 5 : 4. What is Vipin’s salary? Statement 1: Suresh’s salary is 80% of Vipin’s salary
Statement 2: Suresh’s salary is Rs. 6,000
• Statement no. 2 alone is sufficient to answer the question.
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Is the number K divisible by 6? Statement 1: K is divisible by 3
Statement 2: K is an even number
• Both the statement together can give us the answer.
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Which of the sides, PQ, PR and QR is greatest in triangle PQR?
Statement l:PQ<QR+PRStatement 2: angle QPR (angleP) =
100degree• Statement No. 2 is sufficient to answer.
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p. q, r, s, t, u and v are seven consecutive positive integers. Is ‘t’ an odd integer? Statement 1: The
product of q and u is an even integer
Statement 2: The product of p and u is an even integer
• Statement no. 1 alone is sufficient to answer the question. Let us take q as 2 and u as 6, we get even number. Thus t is odd.
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Afterschoolian Pradeep has 9 friends – 4 boys and 5 girls. In how many ways can he invite them, with
the condition that exactly 3 girls must be there?
• Pradeep has the option of inviting 0 to 4 boys and 3 girls.
• 4c0*5c3 = 10 4c1*5c3 = 40, 4c2 *5c3=60• 4c3*5c3 = 40,4c4*5c3 = 10 add all= 160
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By what percent is A less than B? Statement 1: B = 10
Statement 2: B is greater than A by 25%
• Statement no. 2 alone is sufficient to answer. The answer is 20% (25/125 *100)
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What is the percentage increase in the area of the rectangle?
Statement 1: The length and breadth is increased by 10% and
12% respectively Statement 2: The perimeter of the rectangle is 64 cm
• Statement no. 1 alone is sufficient
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In terms of growth rate, which two cars are at top & bottom and with
what rates?
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Solution: growth rates • Model• Esteem 3.9%• Santro 3.17%• Swift 4.64%• Zen .12%• Fiat Palio 13%• Ford Ikon -.7%• Hyundai Accent 1.7%• Thus Fiat Palio is top with 13% and Ford Ikon
is at the bottom with -.7% growth rate.
www.afterschoool.tk AFTERSCHO☺OL's MATERIAL FOR PGPSE PARTICIPANTS
What is the cost of polishing the floor? Statement 1: Floor is 3 m
wide and 15 m longStatement 2: Cost of polishing the floor is Rs. 9 per 5 square metres
• Both the statements are required. The cost will be (3*15) *9/5 = 81 Rupees.
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Is circle M larger than circle N?Statement 1: The diameter of circle M is larger than the radius of circle N ; Statement 2: The circumference
of circle M is twice than that of circle N
• Only statement no. 2 is sufficient to answer the question.
www.afterschoool.tk AFTERSCHO☺OL's MATERIAL FOR PGPSE PARTICIPANTS
Is q<r?Statement 1: q^2 > r^2Statement 2: q^3 >r^3
• Only 2nd statement is sufficient to answer the question.
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This table shows goals made by BM in 4 shootouts. How has he
made most goals and by what % more then the 2nd?
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Solution . .
• The highest number of shots were made by 3 point shots = total 60.
• The second most useful way was penalty shots: 58 shots.
• Thus it was 2/58*100 or 3.8% more than the second best option.
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Which will be the highest : mean, mode and median, if it is given the
in a data range from 1 to 50 the frequency curve’s top is in the left
side from the middle? • Mean.
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Is (a*c) divisible by (b*d)?Statement 1: a is divisible by bStatement 2: c is divisible by d
• Both the statement together are required.
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There are 2 circles :The area of circle A is 10% less than B. What is
radius of circle A?Statement 1: The perimeter of
circle B is 20 pi mStatement 2: The circumference of circle B is more than its diameter
• The statement no. 1 alone is sufficient to answer the question.
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What is the value of (a^2 — b^2)?Statement 1: a — b = a + 2
Statement 2: a—b=1/(a+b)
• Statement No. 2 alone is sufficient to answer the question. From the second statement we know about (a-b) and (a+b), thus a^2 – b^2 can be calculated.
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Is the integer ‘a’ an even number, given that ‘b’ is an integer? Statement 1: (a/b) is odd
Statement 2: (a x b) is odd
• Statement no. 2 alone is sufficient to answer.
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pq not equal to 0. Is q positive?Statement 1: p> q
Statement 2: p + q = 0
• Both the statement together are required to answer the question.
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ABOUT AFTERSCHO☺OL
Afterschoool conducts three year integrated PGPSE (after class 12th along with IAS / CA / CS) and 18 month PGPSE (Post Graduate Programme in Social Entrepreneurship) along with preparation for CS / CFP / CFA /CMA / FRM. This course is also available online also. It also conducts workshops on social entrepreneurship in schools and colleges all over India – start social entrepreneurship club in your institution today with the help from afterschoool and help us in developing society.
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Why such a programme?
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About AFTERSCHO☺OL PGPSE – the best programme for developing great
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Workshops from AFTERSCHO☺OL
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Components • Pedagogy curriculum and approach based on IIM Ahmedabad and ISB
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