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'Ravi' can complete some work alone in 25 days. 'Shyam' is twice as efficient as 'Mohan' and four times as efficient as 'Ravi'. If 'Ravi' and 'Mohan' st...
A robot can finish a task as quickly as two humans, 'E' and 'F', together. If human 'E' can finish the task in 8 hours and human 'F' in 24 hours, how lo...
X men can complete the piece of work in 35 days and (X + 34) men can complete the same work in 14 days less than that of days taken by X men. Find the v...
P’s 3 days work is equal to Q’s 5 days work. If P and Q together can complete the work in 30 days then how much time Q will take to complete 75% of ...
A is twice efficient as B and B can do a piece of work in 40 days. B started the work and after a few days A joined him. They completed the work in 32 ...
P, Q, and R can complete a work in 12 days. 15 days and 30 days, respectively, working alone. How soon can the work be completed if P is assisted by Q a...
9 children can complete a piece of work in 360 days. 18 men can complete the same piece of work in 72 days and 12 women can complete the piece of work i...
A buffalo alone can plough field ‘A’ in 30 days. A Bull alone can plough the field ‘A’ in 36 days. Find the number of days taken by 2 bulls and ...
Anita and Binita have individual completion times for a task; Anita can complete it in 40 days, while Binita can do it in 56 days. Anita initiated the t...
A2 type ‘P’ pipes can fill a tank in 450 hours, while B2 type ‘Q’ pipes can fill the same tank in 6...