A 10 floor building is build by 2 men, 3 women and 4 boys in 10 days. If a man, a women & a boy work in the ratio 5 : 4 : 2. Find the time that 6 men, 4 women and 7 boys take to build a 16 floor building.
A 10 floor building is build by 2 men, 3 women and 4 boys in 10 days. If a man, a women & a boy work in the ratio 5 : 4 : 2. Find the time that 6 men, 4 women and 7 boys take to build a 16 floor building.
Option 1 -
5 days
Option 2 -
6 days
Option 3 -
8 days
Option 4 -
7 days
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1 Answer
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Correct Option - 3
Detailed Solution:(c):We have 4 men = 5 women 1 man = women, 2 women = 4 boys, 1 women = 2 boys women = 2 * boys = or 1 man = women = boys
Now 2M + 3W+ 4B = 2 * B + 3 * 2B + 4B = 15 B Boys
Or 15 Boys do the work in 10 days (10 hectares) 6M + 4W + 7B = (6 * + 4 * 2 + 7) B = 30
Boys 30 boys will do 16 hectares of work in 8 days.
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