Raj can do a piece of work in 20 days. He started the work and left after some days, when 25% work was done. After it Ab…

Jyoti can do $$\frac{3}{4}$$ of a job in 12 days. Mala is twice as efficient as Jyoti. In how many days will Mala finis…

Two men and women are entrusted with a task. The second man needs three hours more to cope up with the job than the seco…

Reena, Aastha and Shloka can independently complete a piece of work in 6 hours, 4 hours and 12 hours respectively. If th…

If p men working p hours per day for p days produce p units of work, then the units of work produced by n men working n …

A and B together complete a piece of work in T days. If A alone completes the work in T + 3 days and B alone completes t…

Two persons having different productivity of labour, working together can reap a field in 2 days. If one-third of the fi…

If 4 men and 6 women can complete a work in 8 days, while 3 men and 7 women can complete it in 10 days, then 10 women c…