Aptitude and Reasoning Questions

Q:

a% of b + b% of a = ______

A) 2a% of b B) 2a% of 2b
C) 2a% of 2a D) 2b% of 2b
 
Answer & Explanation Answer: A) 2a% of b

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Filed Under: Percentage
Exam Prep: Bank Exams

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Q:

What is the simplified value of sin2(90θ)[sin(90θ)sinθ/tanθ]?

A) 1 B) cosec θ
C) 0 D) cos θ
 
Answer & Explanation Answer: C) 0

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

x and y are two numbers such that their mean proportion is 16 and third proportion is 128. What is the value of x and y?

A) 8 and 16 B) 16 and 32
C) 8 and 32 D) 16 and 16
 
Answer & Explanation Answer: C) 8 and 32

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Filed Under: Ratios and Proportions
Exam Prep: AIEEE , Bank Exams , CAT

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Q:

The ratio of number of boys to the number of girls in a school of 432 pupils is 5 : 4. When some new boys and girls are admitted, the number of boys increase by 12 and the ratio of the boys to girls changes to 7 : 6. The number of new girls admitted is

A) 12 B) 14
C) 24 D) 20
 
Answer & Explanation Answer: C) 24

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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

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Q:

There is a 4% increase in volume when a liquid freezes to its solid state. The percentage decrease when solid melts to liquid again, is

A) 3 3/13% B) 4%
C) 4 1/13%  D) 3 11/13%
 
Answer & Explanation Answer: D) 3 11/13%

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Filed Under: Percentage
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Q:

A series is given, with one word missing. Choose the correct alternative from the given ones that will complete the series.
Oxygen, Toil, Arouse, Arson, Tenuous, ?

A) Onion B) Lustrous
C) Lion D) Onto
 
Answer & Explanation Answer: B) Lustrous

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Filed Under: Logical Sequence of Words
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Q:

Two numbers are in the ratio 2:5 and their HCF is 18. Their LCM is

A) 180 B) 36
C) 90 D) 188
 
Answer & Explanation Answer: A) 180

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Filed Under: HCF and LCM
Exam Prep: Bank Exams

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Q:

If the radius of a circle is increased by 21%, then its area will increase by what percent?

A) 42 percent B) 21 percent
C) 23.205 percent D) 46.41 percent
 
Answer & Explanation Answer: D) 46.41 percent

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