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The efficiency of A finishing a job is thrice than that of B finishing the same job. If B is paid 45 for 5 days how much would A be paid for 3 days?

The efficiency of A finishing a job is thrice than that of B finishing the same job. If B is paid 45 for 5 days how much would A be paid for 3 days? Correct Answer Rs. 81

The efficiency of A is three times that of B. 

A : B = 3 : 1

B is paid 45 for 5 days.

B is paid 9 for 1 day.

Hence, A will be paid 9 × (3) = 27 for a day.

For 3 days, A would be paid 27 × (3) = Rs. 81

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