1 Rajesh can finish a job alone in 7 and half hours Manish can finish the same work alone in 5 hours. If they work together , in how much time can they finish the work?
Answers
Answered by
2
Answer:
3 hours
Step-by-step explanation:
Rajesh can finish in 7.5 hrs
So work done in 1 hour is 2/15
Manish can finish in 5 hrs
So work done in 1 hour is 3/15
Work done together in an hour is 2+3/15 = 5/15 = 1/3
So work will be done in 3hrs
Answered by
1
Rajesh can finish in 7:30 Hr
Manish. 5hr
If they work together they finish there work in half time=7:30-5=2:30
Manish. 5hr
If they work together they finish there work in half time=7:30-5=2:30
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