Question

9 masons working 25 days a month for 8 months can build a platform of width 60 meters, length 10 meters and height 28 meters. How many months will 12 masons working 30 days a month take if they have to build a platform of width 200 meters, length 14 meters and height 36 meters?

• A. 30
• B. 24
• C. 20
• D. 18
• E. 25

Answer 1

The correct option is A

30

9 workers work for 25 days a month for 8 days = $60\times 10\times 28$

12 workers work for 30 days a month for ‘n’ days =$200\times 14\times 36$

Taking the ratio, n = 30 months