Question

A and B can do a piece of work, in 15 days and 20 days respectively

Find (i) The work done by A in 3 days

(ii) The work left after A has worked for 3 days.

(iii) The number of days that B will take to complete the remaining work.​

Answer 1

Answer:

1. 1/5 part

2. 4/5 part

3. 16

Answer 2

Answer:

Step-by-step explanation

i) 1/15 × 3 = 1/5

ii) The work left = 1/15 × 12 = 4/5

iii) No. of days B will take to complete the work = 4/5 × 20 = 16 days.