Correct Answer - Option 4 : 1 ∶ 12
Given:
Number of total men = 3
Number of days = 18 days
Per day work = 8 hours
Formula:
Work = Men × days × hours
Calculation:
Work = men × hours × days = 3 × 18 × 8
New Work = 2 × 2 × 9
Required ratio = (2 × 2 × 9)/( 3 × 18 × 8) = 1/12
∴ Required ratio is 1/12
