Ankit and Rahul started writing an essay of 270 words. When Ankit writes five words Rahul writes only two. Find how much more time will Rahul take to finish the essay than Ankit.

Ankit and Rahul started writing an essay of 270 words. When Ankit writes five words Rahul writes only two. Find how much more time will Rahul take to finish the essay than Ankit. Correct Answer 81 mins

Given: 

Total words to type, (work) = 270 words

Time is taken by Ankit to write 5 words = Time taken by Rahul to write 2 words

Concept used:

Work = time × efficiency

Calculation:

The ratio of efficiency of Ankit to Rahul = 5 ∶ 3

work

time

Efficiency

Ankit

270/5 = 54 mins

5

Rahul

270/2 = 135 mins

2

Total work

270

 

The extra time taken by Rahul to finish the essay than Ankit = 135 – 54 = 81 mins

∴ The extra time taken by Rahul to finish the essay is 81 mins.

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