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 Quantitative Aptitude - Arithmetic Ability Questions

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Q:

By selling 175 pineapples, the gain is equal to the selling price of 50 pineapples. What is the gain percentage?

A) 28 B) 30
C) 32 D) 40
 
Answer & Explanation Answer: D) 40

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Filed Under: Percentage
Exam Prep: Bank Exams

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Q:

If a+b+c = 0, then (a^3 + b^3 + c^3)^2 = ?

A) 27abc B) 9abc
C) 3abc D) 9a^2b^2c^2
 
Answer & Explanation Answer: D) 9a^2b^2c^2

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Q:

If (x2/yz) + (y2/zx) + (z2/xy) = 3, then what is the value of (x + y + z)3?

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

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Q:

cot3A is equal to

A) 3cotA -­ cot3A(1 -­ 3cot2A) B) 3cotA + cot3A(1 -­ 3cot2A)
C) 3cotA -­ cot3A(1 + 3cot2A) D) 3cotA + cot3A(1 + 3cot2A)
 
Answer & Explanation Answer: A) 3cotA -­ cot3A(1 -­ 3cot2A)

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Q:

In 250 litres mixture of soda and water the ratio of amount of soda to that of water is 7 : 18. In order to make this ratio 2 : 3, how many more litres of soda should be added?

A) 37.5 B) 42.5
C) 45 D) 50
 
Answer & Explanation Answer: D) 50

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Filed Under: Alligation or Mixture
Exam Prep: Bank Exams

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Q:

In ∆ABC two medians BE and CF intersects at the point O and P,Q are the midpoints of BO and CO respectively. If the length of PQ=3cm, then the length of FE will be

A) 3 cm B) 6 cm
C) 9 cm D) 12 cm
 
Answer & Explanation Answer: A) 3 cm

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Filed Under: Volume and Surface Area
Exam Prep: Bank Exams

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Q:

If the selling price is doubled, the profit triples. The profit percent is

A) 66.6% B) 150%
C) 100% D) 190%
 
Answer & Explanation Answer: C) 100%

Explanation:

Let CP be x and SP be y.

3(y –x) = (2y –x)y = 2x

Profit = y –x = 2x –x = x

Profit% = x/x X 100 = 100%

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Filed Under: Profit and Loss

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Q:

If (x+1/x) = 5, then the value of 5xx2+5x+1?

A) 1/3 B) 1/4
C) 1/2 D) 1/5
 
Answer & Explanation Answer: C) 1/2

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Filed Under: Simplification
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