Quantitative Aptitude - Arithmetic Ability Questions

Q:

What is the value of sin (90° + 2A)[4  cos2(90°  2A)]?

A) 2(cos3 A – sin3 A) B) 2(cos3 A + sin3 A)
C) 4(cos6 A+ sin6 A) D) 4(cos6 A – sin6 A)
 
Answer & Explanation Answer: D) 4(cos6 A – sin6 A)

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Filed Under: Simplification
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Q:

If x2-2x+1=0, then the value of x4+1x4 is

A) 0 B) 1
C) 2 D) 3
 
Answer & Explanation Answer: B) 1

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Q:

If x+1x=-2, then the value of x7+1x7

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

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Filed Under: Square Roots and Cube Roots
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Q:

In the given figure, PQRS is a square and SRT is an equilateral triangle. What is the value (in degrees) of angle SOR?

A) 45 B) 55
C) 60 D) 75
 
Answer & Explanation Answer: D) 75

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Filed Under: Volume and Surface Area
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Q:

Find the odd word/letters/number from the given alternatives.

A) Teacher B) Lawyer
C) Doctor D) Manager
 
Answer & Explanation Answer: D) Manager

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Filed Under: Odd Man Out
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Q:

If x – 3 + [1/(x – 3)] = 4, what is the value of [(x  3)3+ [1/(x  3)3]?

A) 14 B) 18
C) 52 D) 76
 
Answer & Explanation Answer: C) 52

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Q:

What is the value of 1/√2 Cot 30° + 1/√3 Cosec 60°?

A) (3√3 + 2√2)/3√2 B) (3√3 - 2√2)/3√2
C) (3√3 + 2√2)/√2 D) (3√3 - 2√2)/√2
 
Answer & Explanation Answer: A) (3√3 + 2√2)/3√2

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Q:

Ram travels 4/9th of the total journey by bus, 5/18th by rail and the remaining 10 km on foot. Find the distance of total journey.

 

A) 42 km B) 90 km
C) 36 km D) 18 km
 
Answer & Explanation Answer: C) 36 km

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Filed Under: Time and Distance
Exam Prep: Bank Exams

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