5 * 14 * 6 * 8 * 9 * 502 5 x 14 + 6 x 8 x 9 = 502 70 + 432 = 502 502 = 502
A and B can do job in 6 days. B and C can do same job in 12 days. A, B and C together can do same job in 4 days. In how many days A and C together can c...
Raj and Rajat can finish a piece of work in 30 days and 40 days respectively. Raj started the work alone. After how many days should Rajat join him so t...
10 persons begin to work together on a job, but after some days, 4 persons leave. As a result, the job, which could have been completed in 40 days, was ...