A, B and C can finish a work in 10, 12
and 15 days respectively. If B stops
after 2 days, how long would it takes for A and C to complete the work ?
(A) 3 days
(B) 5 days
(C) 7 days
(D) 10 days
Answers
Answered by
1
Answer:
5 days
Step-by-step explanation:
A can complete 1/10 work in 1 day
B can complete 1/12 work in 1 day
C can complete 1/15 work in 1 day
B work for 2 days only so he does 2/12 work
let the days taken by A and C be x
so,
x(1/10 + 1/15) + 2/12 = 1
x = 5 days
Answered by
1
Answer:
OPTION NO. (B) IS CORRECT = 5
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