Question

A can do a piece of work in 21 days and B in 28 days. Together they started the work and B left after 4 days. In how many days can A alone do the remaining work ?
A) 14 days
B) 18 days
C) 21 deays
D) 16 days

Answer 1

Hey mate ^_^

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Answer:
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Let A worked for 'c' days.

c/21 + 4/28 = 1  => c = 18

A worked for 18 days.

So,

A can complete the remaining work in:

18 - 4 = 14 days.

Therefore,

Correct option A) 14 Days.

#Be Brainly❤️

Answer 2

A can do a piece of work in 21 days and B in 28 days. Together they started the work and B left after 4 days. In how many days can A alone do the remaining work ?
A) 14 days
B) 18 days
C) 21 deays
D) 16 days✔️✔️✔️✔️