Quantitative Aptitude - Arithmetic Ability Questions

Q:

What is the value of Cot 45° - (1/√3)Cosec 60°?

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

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Filed Under: Simplification
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Q:

If -3[1-(x/2)] + 5x/3 = 1/6, then what is the value of x?

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

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Q:

If sum of Rs.1000 amount to Rs.1331 in 3 years, compounded annually. Then, find the rate of interest per annum?

A) 15% B) 30%
C) 10% D) 20%
 
Answer & Explanation Answer: C) 10%

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Filed Under: Compound Interest
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Q:

What is the value of [(sin x + sin y) (sin x – sin y)]/[(cosx + cosy) (cosy – cosx)]?

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

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Q:

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

A) 192 B) 240
C) 141 D) 173
 
Answer & Explanation Answer: D) 173

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Filed Under: Odd Man Out
Exam Prep: Bank Exams , CAT

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Q:

The point where the 3 medians of a triangle meet is called

A) centroid B) Incentre
C) Circumcentre D) orthocentre
 
Answer & Explanation Answer: A) centroid

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Filed Under: Volume and Surface Area
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Q:

A solid sphere and a solid hemisphere have the same total surface area. The ratio of their volumes is (Take, π=22/7)

A) 3√3 : 4 B) 4 : 3√3
C) 3 : 4√3 D) 1 : 12√3
 
Answer & Explanation Answer: A) 3√3 : 4

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Filed Under: Volume and Surface Area
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Q:

Average of 31 numbers is 19. If the average of first 8 numbers is 24, then what is the average of the remaining numbers?

A) 17.26 B) 23.25
C) 26.2 D) 25.45
 
Answer & Explanation Answer: A) 17.26

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Filed Under: Average
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