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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Feb 20, 2025