Select the correct answerA, B and C together can finish a piece of work in 30 days. If A and C is twice efficient than B. A and B is thrice efficient than C in how many days A alone can complete the work?Options84 days80 days75 days72 days

Select the correct answerA and B together can finish a work in 5 days. If A works twice his efficiency they can finish the same work in 3 days. In how many days will A alone finish the work?Options5.4 days7.5 days6.6 days15 days

Select the correct answerA, B and C can do a piece of work in 30 days, 45 days and 90 days, respectively. A starts the work and he is assisted by B and C together on every third day. In how many days will the work be completed?Options24233022

A, B and C can do a piece of work in 20, 30 and 60 days respectively. In how many days can A do the work if B and C assist him on every third day?

Select the correct answerA, B and C can do a work in 20 days, 24 days and 30 days respectively. A and B left the work 4 days before completion of the work, then whole work will finish in how many days?

A and B can do a work in 30 days. If A worked twice as fast and B worked one-fourth as efficiently as he usually does, the work would still be completed in 30 days. Find the time taken (in days) by A alone to do the work.