Quantitative Aptitude - Arithmetic Ability Questions

Q:

Two fractions are such that their product is ­2/5 and sum is 1/15. What are the two fractions.

A) 4/3, ­-3/10 B) 2/7, -­7/5
C) 4/7, ­-7/10 D) 2/3, ­-3/5
 
Answer & Explanation Answer: D) 2/3, ­-3/5

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Q:

Δ ABC is right angled at B. If m∠A = 60°, then what is the value of 2 Sec C x 1/2 Sin A?

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

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Q:

The perimeter of a square is 30 cm. Find its area (in cm²).

A) 56.25 B) 112.5
C) 60.25 D) 120.5
 
Answer & Explanation Answer: A) 56.25

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Filed Under: Area
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Q:

If a3 + b3 + c3 - 3abc = 0, then the value of a2/bc + b2/ac - 3.

 

A) -c2/ab B) -c2/bc
C) -c3/ba D) -c/a
 
Answer & Explanation Answer: A) -c2/ab

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Q:

Select the odd word/letters/number/number pair from the given alternatives.

A) OP B) UI
C) TA D) SE
 
Answer & Explanation Answer: B) UI

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Filed Under: Odd Man Out
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Q:

If Sin θ = 20/29 , then what is the value of Sec Sin θ ?

A) 29/21 B) 29/20
C) 21/20 D) 21/29
 
Answer & Explanation Answer: A) 29/21

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Q:

If curved surface area of a cylinder is 1320 sq cm and height is 10 cm, find its radius?

A) 21 cm B) 42 cm
C) 63 cm D) 10.5 cm
 
Answer & Explanation Answer: A) 21 cm

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Filed Under: Volume and Surface Area
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Q:

John is 15 years younger than Jill, 12 years ago, Jill's age was 1.5 times that of John. Jill is now ___ years old.

A) 57 B) 30
C) 42 D) 45
 
Answer & Explanation Answer: A) 57

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Filed Under: Problems on Ages
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