Question

50. Ramu can finish the work in 10 days. Ravi can
do the same work in 15 days. Then in how
many days Ramu and Ravi finish the work?
(A) 5
(B) 7
(C) 8
(D) 6​

Answer 1

Answer:

A) 5

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Answer 2

Answer:

(D) 6

Step-by-step explanation:

Work done by Ramu in 1 day = 1/10

Work done by Ravi in 1 day = 1/15

Work done by both in 1 day = 1/10 + 1/15 = (3+2) / 30 = 5/30 = 1/6

Hence, Ramu and Ravi will finish the work in 6 days.