Question

9. A and B together can do a piece of work in 10 days. A alone can finish the wc
30 days. In how many days will B alone finish the work

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Answer 1

Answer:

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(A+B)’s 1 day’s work = 1/10

A’s 1 day’s work = 1/30

∴ B’s 1 day’s work = 1/10 - 1/30

= 3-1/30 = 2/30 = 1/15

Hence, B, alone can complete the work in 15 days.

✿ 15 Days ✿

Answer 2

Answer:

(A+B)'s 1 day's work=1/10

A's 1 day's work=1/30

B's 1 day's work=1/10-1/30

=3-1/30=2/30=1/15

Hence B alone can complete the work in fifteen days.

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