Question

25 labourers can build a wall in 4 days. IF only 20 labourers report for work, the wall be built in

5 days

3 days

6 days

none of these

​

Answer 1

Given :-

25 labours can build a will in = 4 days.

Labours report for work = 20 .

To Find :-

How many days will be needed to build the same wall ?

Solution :-

M1 = 25 labours .

M2 = 20 labours.

D1 = 4 days.

D2 = Let x days.

we know that, when work is same ,

M1 * D1 = M2 * D2 .

so,

→ 25 * 4 = 20 * x

→ 100 = 20x

→ x = 5 days. (Ans.)

Hence, 20 labours can build the same wall in 5 days.

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Answer 2

Answer:

5 is the answer. believe me