Quantitative Aptitude - Arithmetic Ability Questions

Q:

If (x  2)2 + (y + 3)2 + (z  15)2 = 0, then what is the value of x + y + z – 5?

A) 5 B) 9
C) 15 D) 20
 
Answer & Explanation Answer: B) 9

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Filed Under: Simplification
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Q:

What is the value of ( 1/3 + cosec30)?

A) (√6+1)/√3 B) 7/3
C) (4+√3)/2 D) (√3+1)/2
 
Answer & Explanation Answer: B) 7/3

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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:

A 800 metres long train is running at the speed of 90 km/hr. If it crosses a bridge in 50 seconds, then what is the length (in metres) of the bridge?

A) 250 B) 300
C) 350 D) 450
 
Answer & Explanation Answer: D) 450

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Filed Under: Time and Distance
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Q:

Ankit runs 324 metres every day for his fitness. According to his daily routine in how many days he covers 8.1 km.

A) 21 B) 23
C) 25 D) 27
 
Answer & Explanation Answer: C) 25

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Filed Under: Time and Distance
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Q:

The lengths of the two diagonals of a rhombus are 5 cm and 12 cm. Find its area (in cm2)

A) 30 B) 15
C) 60 D) 45
 
Answer & Explanation Answer: A) 30

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Q:

A sum of money becomes 77/50 of itself in 18/5 years when invested at simple interest. What is the rate (in percentage) of interest per annum?

A) 20 B) 18
C) 12 D) 15
 
Answer & Explanation Answer: D) 15

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Filed Under: Simple Interest
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Q:

Which of the following is a reductible fraction?

A) 79/26 B) 105/112
C) 41/17 D) 91/15
 
Answer & Explanation Answer: B) 105/112

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Filed Under: Decimal Fractions
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