Aptitude and Reasoning Questions

Q:

Simplify 486b3x2a4z3/27a3b2z

A) 18bx2az2 B) 18bx2a2z
C) 36ba2z D) 36bxaz
 
Answer & Explanation Answer: A) 18bx2az2

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Filed Under: Simplification
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Q:

What is the simplified value of 12-13 ?

A) 5√3 B) 5/√3
C) 3√5 D) 3/√5
 
Answer & Explanation Answer: B) 5/√3

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Q:

Find two numbers such that their mean proportion is 8 and third proportion is 64.

A) 4 and 8 B) 8 and 16
C) 8 and 8 D) 4 and 16
 
Answer & Explanation Answer: D) 4 and 16

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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

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Q:

√(cosec2 -­ 1)/cosecA is equal to?

A) cosA B) sinA
C) cosecA D) secA
 
Answer & Explanation Answer: A) cosA

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Q:

ΔXYZ is right angled at Y. If cosX = 3/5, then what is the value of cosecZ ?

A) 3/4 B) 5/3
C) 4/5 D) 4/3
 
Answer & Explanation Answer: B) 5/3

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Q:

A train runs at 80 kmph for the first 40 km and the next 30 km at 60 kmph. Find the average speed.

A) 62 kmph B) 64 kmph
C) 65 kmph D) 70 kmph
 
Answer & Explanation Answer: D) 70 kmph

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Filed Under: Problems on Trains
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Q:

If 1/√(1 -­ sin2A) = x, then the value of x is

A) tanA B) cosecA
C) secA D) cosA
 
Answer & Explanation Answer: C) secA

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Q:

Sumit and Amit undertook a work for Rs 7200. Sumit alone can do the work in 5 days and Amit alone can do the work in 4 days. If they work together,then what will be the difference (in Rs.) in the amount they receive?

A) 800 B) 1600
C) 1200 D) 1400
 
Answer & Explanation Answer: A) 800

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