Question

How many workers are required for completing the construction work in 10 days?

1. 20% of the work can be completed by 8 workers in 8 days

2. 20 workers can complete the work in 16 days

3. One-Eighth of the work can be completed by 8 workers in 5 days

• A. 1 and 3
• B. 2 and 3
• C. 1 and 2
• D. Either 1 or 2 or 3

Answer 1

The correct option is D

Either 1 or 2 or 3

(d) Either statements 1 or 2 or 3 are necessary to answer the question.

1=In 8 days, 8x5= 40 workers are required

Therefore in 10 days = 40x8/10 = 32 workers are required

2= Required no. of workers = 20(16/10) =32

3=In 5 days 8x8= 64 workers

Therefore in 10 days 64x5/10=32 workers