A can complete a certain work in 4 minutes, B in 5 minutes, C in 6 minutes, D in 10 minutes and E in 12 minutes. The average number of units of work completed by them per minute will be
Created: 5 years ago |
Updated: 6 months ago
best des
(A + B + C + D + E) can do in 1 Minute
= (1/4) + (1/5) + (1/6) + (1/10) + (1/12) part
= (15 + 12 + 10 + 6 + 5)/60
= 48/60
= 4/5
So, average = (4/5)/5
= 4/(5×5)
= 4/25
= 0.16
Md Azizur Rahman
Founder of Satt
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