Mathematics · Time and Work
In the following question, a statement is given followed by a condition. Read the statement and the condition carefully and choose the correct option. Statement: To do a work, Virendra's efficiency is M% of the efficiency of Surendra whose efficiency is N% of the efficiency of Upendra. Condition: Ratio of time taken by Virendra alone to that taken by Upendra alone to do the whole work is 5:2. Which of the following options satisfies the above conditions?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Both M = 40, N = 120 and M = 160, N = 20
- 2Only M = 160, N = 20
- 3Only M = 40, N = 120
- 4Only M = 50, N = 80✓
Correct answer
Only M = 50, N = 80
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