Ram can do a piece of work in 5 days, and Sham can do the same in 10 days. With the help of Karan, they finished the work in 2 days. How many days would it take Karan to do the work ?

Ram can do a piece of work in 5 days, and Sham can do the same in 10 d

1.	Ram can do a piece of work in 5 days, and Sham can do the same in 10 days. With the help of Karan, they finished the work in 2 days. How many days would it take Karan to do the work ?
A.	5 days
B.	10 days
C.	15 days
D.	20 days
Answer» B. 10 days

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Ram can do a piece of work in 5 days, and Sham can do the same in 10 days. With the help of Karan, they finished the work in 2 days. How many days would it take Karan to do the work ?

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