Question

P is three times as fast as Q and working together, they can complete a work in 12 days. In how many days can Q alone complete 25% of the work?

Answer 1

Answer:

P is thrice as good a workman as Q and therefore able to finish a job in 48 days less than Q. working together, they can do it in:

A) 18 days

B) 24 days

C) 30 days

D) 12 days

Correct Answer:

A) 18 days

Description for Correct answer:

∴(3−1)=2 units→48 days

1 units→24 days

Total work=No. of days×efficiency

= 72×1=72

One day work of P and Q is (3+1) = 4 units.

(P+Q) will complete the work in=724=18days

Explanation: