a js able to complete 1/3 of a certain work in 10 hour and b is able to complete 2/5 of the same work in 12 hour
find
(i) how much work can a do in 1 hour
(ii) how much work can b do in 1 hour
(iii) in how much time will the work be completed if both work together
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Answered by
3
Answer:
a is able to complete 1/3 of a certain work in 10 hours
total work completed by him in
10×3/1=30 hours
lly b can completed total work
5/2×12=30 hours
- (1) a can do work in one hour is
1/30 (part of work)
- (2) lly b 1/30 (part of work)
- (3) together can do the
total work is
30×30/30+30=900/60=90/6=15 hours
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Answered by
0
Answer:
1. 1 / 30of the work
2. 1 / 30 of the work
3. 15 hours
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