A 1/5 th of a pole is in mud, 1/2 of it in water & the rest 6 feet is above water. What is the length of the pole ?

A 1/5 th of a pole is in mud, 1/2 of it in water & the rest 6 feet is above water. What is the length of the pole ?

A 40

B 20

C 15

D 10

Solution

Correct Answer: Option B

Solution: 1 - (1/5 + 1/2) = 6, Total length = 20