Quantitative Aptitude - Arithmetic Ability Questions

Q:

Two cars travel from city A to city B at a speed of 60 and 108 km/hr respectively. If one car takes 2 hours lesser time than the other car for the journey, then the distance between City A and City B?

A) 270 km B) 324 km
C) 405 km D) 216 km
 
Answer & Explanation Answer: A) 270 km

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Filed Under: Time and Distance
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Q:

24 men can do a piece of work in 17 days.How many men will be able to do it in 51 days ?

A) 8 B) 10
C) 12 D) 6
 
Answer & Explanation Answer: A) 8

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Filed Under: Time and Work
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Q:

A vendor buys 6 bananas for Rs 25 and sells them at 3 for Rs 20. What is his profit percentage?

A) 50 B) 40
C) 60 D) 30
 
Answer & Explanation Answer: C) 60

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Filed Under: Profit and Loss
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Q:

If a - b = 2 and ab = 8, then what is the value of a3 - b3?

A) 65 B) 34
C) 43 D) 56
 
Answer & Explanation Answer: D) 56

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Filed Under: Simplification
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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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Q:

What is the value of 34+122 ?

A) 13 B) 15
C) 17 D) 19
 
Answer & Explanation Answer: B) 15

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Q:

The point R(a,b) is first reflected in origin to R1 and R1 is reflected in X-axis to (-5,1). The co-ordinates of point R are?

A) (5,-1) B) (-1,5)
C) (1,-5) D) (5,1)
 
Answer & Explanation Answer: D) (5,1)

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Q:

What is the simplified value of sec4θ  sec2θ tan2θ?

A) cosec2θ B) Cot2θ
C) sec2 θ D) secθ tan θ
 
Answer & Explanation Answer: C) sec2 θ

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