NTSE Stage2 (NationalLevel) MentalAbility: Questions 1 of 440
» Verbal Intelligence » Arithmetic Reasoning
Appeared in Year: 2013
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. 


Analysis
Performance
Timing
Answer
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.