Aptitude [HCL Placement]: Sample Questions 1 - 2 of 43

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Question 1

Aptitude

Question

MCQ▾

A sink has 12 litres of water. Some quantity of water is taken out. If the remaining water is 6 litres less than the water taken out then what is the quantity of water taken out?

Choices

Choice (4)

a.

1

b.

6

c.

3

d.

9

Answer

d.

Explanation

  • Sink has total 12 litres of water.
  • Let x quantity of water is taken out. So, 12 - x litres of water will remain in the sink.
  • The remaining water is 6 litres less than the water taken out.
  • Writing the statement into equation form,

  • So, 9 litres of water has been taken out from the sink.

Question 2

Aptitude

Question

MCQ▾

A person sells two machines at ₹ 396 each. On one he gains 10 % and on the other he loses 10 % . What will be his profit or loss in the whole transaction?

Choices

Choice (4)

a.

8 % profit

b.

No gain, no loss

c.

1 % profit

d.

1 % loss

Answer

d.

Explanation

  • If a person sells two products, in which one at a gain of x % and one at a loss of x % , then there is always net loss of
  • Here, a person sells two machines at ₹ 396 each. On one machine he gains 10 % and on other he loses 10 % . So, there will be loss always of , i.e.. = 1
  • So, there will be 1 % loss in whole transaction.

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