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Q:

A cricketer, whose bowling average was 12.4 runs/wicket takes 5 wickets for 22 runs in a match, thereby decreases his average by 0.4. The number of wickets, taken by him before this match was:

A) 78 B) 87
C) 95 D) 105

Answer:   C) 95



Explanation:
Subject: Quantitative Aptitude - Arithmetic Ability
Exam Prep: Bank Exams , GATE
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The average of five consecutive even numbers is 40. What is the value of smallest of these numbers?

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Answer & Explanation Answer: B) 36

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Expand and simplify (2x + 5)2 *(4x ­- 1) -­ (3x3 - 16x2 + 25x -­ 21)

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C) 13x3 + 92x2 + 55x -­ 4 D) 13x3 -­ 92x2 + 55x + 4
 
Answer & Explanation Answer: C) 13x3 + 92x2 + 55x -­ 4

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A cone is hollowed out of a solid wooden cube of side 7 cm. The diameter and height of the cone is same as the side of the cube. What is the volume of the remaining cube?

A) 253.17 cubic cms B) 228.84 cubic cms
C) 143.26 cubic cms D) 257.68 cubic cms
 
Answer & Explanation Answer: A) 253.17 cubic cms

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Reflection of the point (2,-4) in the origin is

A) (2,4) B) (-2,-4)
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By increasing the price of entry ticket to a fair in the ratio 5:7, the number of visitors to the fair has decreased in the ratio 11:9. In what ratio has the total collection increased or decreased?

A) increased in the ratio 55:63 B) decreased in the ratio 63:55
C) increased in the ratio 45:77 D) decreased in the ratio 77:45
 
Answer & Explanation Answer: A) increased in the ratio 55:63

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Asif is twice as good as workman as Bashir and together they finish a piece of work in 30 days. In how many days will Asif alone finish the work?

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What smallest number should be added to 2401 so that the sum is completely divisible by 14 ?

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Answer & Explanation Answer: B) 7

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