Question

P and Q can individually complete a piece of work in 15 and 25 days respectively.In how many days can P and Q complete the work if they work in alternative days ?
Starting with P
Starting with Q?
A. 18,19
B. `18,(191)/(5)`
C. `18(3)/(5),19`
D. `18(2)/(5),19`

Answer 1

Correct Answer - C
(i) Find the work done by P and Q in a period of first 2 days.
(ii) Find the part of the work done by P and Q in a period of 2 days.
(iii) Find the maximum the maximum number of interger periods of fill the tank.