Question

A man is employed to count Rs 10710.He counts at the rate of Rs180 per minute for half an hour.After ts he counts at the rate of Rs 3 less every minute than the preceding minute.Find the time taken by m to count the entire amount.

Answer 1

total money=rs 10710

money counted in first 30mins = 180x30= 5400

money left=10710-5400=rs 5310

new speed = 177/min

so for time taken for rs 5310= 5310/177=30 mins

so total time taken= 30+30=60 mins or 1 hour

hope this helps

Answer 2

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