A can do a certain job in 25 days which B alone can do in 20 days. A s – McqOptions

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1.	A can do a certain job in 25 days which B alone can do in 20 days. A started the work and was joined by B after 10 days. The number of days taken in completing the wotk were ?
A.	14(2/3)kmph
B.	15(2/3)kmph
C.	16(2/3)kmph
D.	17(2/3)kmph
Answer» D. 17(2/3)kmph

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