Kamal will complete work in 20 days. If Suresh is 25% more efficient than Kamal,

Question

Kamal will complete work in 20 days. If Suresh is 25% more efficient than Kamal, he can complete the work in________days.

Options:

A . 14

B . 16

C . 15

D . 11

Answer: Option B
WORK DONE BY KAMAL IN 1 DAY = 1/20
WORK DONE BY SURESH IN 1 DAY = (1/20) × (125/100) = 5/80 = 1/16
=> SURESH CAN COMPLETE THE WORK IN 16 DAYS

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