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If 9 men construct a building in 90 days, then in how many days 3 men construct a building?1. 150 days2. 400 days3. 270 days4. 450 days |
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Answer» Correct Answer - Option 3 : 270 days Given∶ Number of men = 9 Number of days = 90 Formula used∶ M1 T1 = M2 T2 Where M1; M2; T1 and T2 represents number of men and time Calculation ∶ 9 × 90 = 3 × T2 ⇒ T2 = (9 × 90) / 3 ⇒ T2 = 270 ∴ 270 days are required to construct a building by 3 men. |
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