Mathematical-Reasoning

Question 21

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

Mathematical-ReasoningTime-And-WorkNIC-NIELIT STA 2020Video-Explanation

Question 21 Explanation:

Ram can do a piece of work = 5 days
Sham can do a piece of work = 10 days
Ram + Sham + Karan = 2 days
Karan= 5 days

Correct Answer: A

Question 21 Explanation:

Ram can do a piece of work = 5 days
Sham can do a piece of work = 10 days
Ram + Sham + Karan = 2 days
Karan= 5 days