NTSE Stage-2 (National-Level) Mental-Ability: Questions 1 of 440

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» Verbal Intelligence » Arithmetic Reasoning

Appeared in Year: 2013

MCQ▾

Question

Two candles are of different lengths and thicknesses. The short and the long ones can burn respectively for 3.5 hour and 5 hour. After burning for 2 hour, the lengths of the candles become equal in length. What fraction of the long candle’s height was the short candle initially?

Choices

Choice (4) Response

a.

b.

c.

d.

Topic %Score

%Score

Ques. Time s

Answer

b.

Explanation

Here, let lengths be for short and for long candle.

Now, in 3.5 h length burnt of short candle is

So, in 2 h length burnt =

Same, in 5 h length burnt of long candle is

So, in 2 h length burnt =

Now, as per question,

After burning for 2 hour, the lengths of the candles become equal in length.

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