Question

2. If 15 men can build a wall in 48 hours, how many men will be required to do the same work in 30 hours?
3. If the weight of 12 sheets of thick paper is 40 grams, how many sheets of the same paper would weight 5/2 kilogram
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Answer 1

Answer:

24 hours

Step-by-step explanation:

It is the case of inverse variation.

15 men in 48 hours

so , no. of men required to complete the work in 30 hours = (48/30) × 15

= 48/2

= 24 hours

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Answer 2

Answer:

Ans 2 : 15 men can build wall = 48 hours.

Each men can build wall = 48 ÷ 15

= 3.2 hours.

15 men can build wall = 3.2 × 15

= 48 hours.

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