1.

A And B Can Do A Work In 5 Days And 10 Days Respectively. A Starts The Work And B Joins Him After 2 Days. In How Many Days Can They Complete The Remaining Work?

Answer»

WORK done by A in 2 DAYS = 2/5

REMAINING work = 3/5

Work done by both A and B in ONE day = 1/5 + 1/10 = 3/10

Remaining work = 3/5 * 10/3 = 2 days.

Work done by A in 2 days = 2/5

Remaining work = 3/5

Work done by both A and B in one day = 1/5 + 1/10 = 3/10

Remaining work = 3/5 * 10/3 = 2 days.



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