Sawaal
1
Q:

For any two real numbers a and b.

a-b2+b-a2 is

A) always zero B) never zero
C) positive only if a ≠ b D) positive if an only if a > b

Answer:   C) positive only if a ≠ b



Explanation:
Subject: Quantitative Aptitude - Arithmetic Ability
Exam Prep: Bank Exams
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C) 7/24 D) 24/7
 
Answer & Explanation Answer: D) 24/7

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C) 1/√3 D) 2/√3
 
Answer & Explanation Answer: C) 1/√3

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The surface area of a sphere is 1386 cm2.  Find its diameter (in cm)

A) 10.5 B) 42
C) 21 D) 31.5
 
Answer & Explanation Answer: C) 21

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What is the sum of the measures of all the interior angles of a regular polygon of 9 sides?

A) 1260 B) 1440
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Answer & Explanation Answer: A) 1260

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If x+1x2 = 3, then the value of x3+1x3 is:

A) 0 B) 1
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Answer & Explanation Answer: A) 0

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The simple interest on a sum for 5 years is two­fifth of the sum. The rate of interest per annum is

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Answer & Explanation Answer: B) 0.08

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When a number is divided by 56, the remainder will be 29. If the same number is divided by 8, then the remainder will be

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C) 5 D) 3
 
Answer & Explanation Answer: C) 5

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If tanθ + cotθ = 5, then the value of tan2θ + cot2θ is

A) 22 B) 23
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Answer & Explanation Answer: B) 23

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