Question

Q6. Solve the followings.
i) A and B can do a piece of work in 3 hours and 2 hours respectively. Find the time
taken to complete the work if they work together.
*10 Find the discount​

Answer 1

Answer:

USING SHORT TRICK:

A= 3 HRS

B= 2 HRS

LCM=6

EFFICIENCY OF A=2

EFFICIENCY OF B= 3

A+B=5

BOTH CAN DO A PIECE OF WORK IN = 5/6 HRS

Step-by-step explanation:

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