Question

25 LABORERS CAN BUILD A WALL IN 4 DAYS IF ONLY 20 LABOURERS REPORT FOR WORK HOW MANY DAYS WILL BE NEEDED TO BUILD THE SAME

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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