self
Maths Puzzle
Q. P alone would take 8 hr more to complete a job than both P and Q would together. If Q worked alone, he took 9/2.hrs more to complete it than P and Q. What time they take if P and Q work together?
Read Solution (Total 1)
-
- Ans = 6 Hr.
let x hr.
then X=(1/(1/(x+8))+(1/(x+(9/2)))).
then X=6 Hr.
- 11 years agoHelpfull: Yes(0) No(0)
self Other Question