Quantitative Aptitude - Arithmetic Ability Questions

Q:

In the following question, four number pairs are given. The number on left side of (–) is related to the number on the right side of (–) with some Logic/Rule/Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out from the given alternatives.

 

A) 17 – 34 B) 37 – 74
C) 43 – 86 D) 29 – 59
 
Answer & Explanation Answer: D) 29 – 59

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Filed Under: Odd Man Out
Exam Prep: Bank Exams

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Q:

Which of the following is correct?

A) (3x -­ 2y)2 = 9x2 -­ 12xy + 4y2 B) (3x -­ 2y)2 = 9x2 -­ 6xy + 4y2
C) (3x + 2y)2 = 9x2 -­ 12xy + 4y2 D) (3x + 2y)2 = 9x2 -­ 6xy + 4y2
 
Answer & Explanation Answer: A) (3x -­ 2y)2 = 9x2 -­ 12xy + 4y2

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

What is the difference (in Rs) between the compound interests on Rs. 1000 for 1 year at 10% per annum compounded yearly and half-yearly?

A) 1.5 B) 0.5
C) 2.5 D) 3.5
 
Answer & Explanation Answer: C) 2.5

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Filed Under: Compound Interest
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Q:

If ax + by = 1 and bx + ay  = 2aba2+b2 then x2+y2a2+b2 is equal to

A) 1 B) 2
C) 0.5 D) 0
 
Answer & Explanation Answer: A) 1

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Q:

What is the value of {sin (90 – x) cos [π – (x – y)]} + {cos (90 – x) sin [π – (y – x)]}?

A) -cos y B) -sin y
C) cos x D) tan y
 
Answer & Explanation Answer: A) -cos y

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Filed Under: Simplification
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Q:

Which of the following is not a quadratic equation?

A) 2x(x + 4) -11 = x(x - 3) + 6 B) 4x(x + 4) -11 = 5x(x - 3) + 5
C) x(x + 2) -15 = x(x - 5) + 11 D) 2x2 + 8x - 11 = 0
 
Answer & Explanation Answer: C) x(x + 2) -15 = x(x - 5) + 11

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Filed Under: Simplification
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Q:

ΔABC is similar to ΔPQR. Length of AB is 18 cm and length of the corresponding side PQ is 12 cm. If area of ΔABC is 324 sq cm, what is the area of ΔPQR?

A) 72 sq cm B) 144 sq cm
C) 36 sq cm D) 487.5 sq cm
 
Answer & Explanation Answer: B) 144 sq cm

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Filed Under: Volume and Surface Area
Exam Prep: Bank Exams

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Q:

If a perfect square, not divisible by 6, be divided by 6, the remainder will be

A) 1, 3 or 5 B) 1, 2 or 5
C) 1, 3 or 4 D) 1, 2 or 4
 
Answer & Explanation Answer: C) 1, 3 or 4

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