If 6 men and 8 boys can do a piece of work in 10 days and 26 men and 48 boys can do the same in 2 days , the time taken by 15 men and 20 boys to do the same type of work will be
Created: 5 years ago |
Updated: 3 years ago
best des
Given that
6 men and 8 boys can do a piece of work in 10 days
26 men and 48 boys can do the same in 2 days
As the work done is equal,
10(6M + 8B) = 2(26M + 48B)
60M + 80B = 52M + 96B
= > M = 2B
= > B = M/2 ……(1)
Now Put (1) in 15M + 20B
= > 15M + 10M = 25M
Now, 6M + 8B in 10 days
= > (6M + 4M) 10 = 100M
Then D(25M) = 100M
= > D = 4 days.
Md Azizur Rahman
Founder of Satt
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