Rajesh can build a wall alone in 20 days and Suresh alone can build it in 15 days. If Rajesh and Suresh works together, in how many days they can finish the wall ?
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Answered by
1
Answer:
20 days
Step-by-step explanation:
Answered by
1
Answer:
Rajesh can build the wall in 20 days
1 day = 1/20 of the wall
Suresh can build the wall in 15 days
1 day = 1/15 of the wall
together they can build the wall in
1/20+1/15 days
= 7/60
Hence they together can complete the wall in 60/7=8.5 or 9 days
Step-by-step explanation:
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