- Priya can solve 30 questions in 1.5 hours. If she decreased her efficiency by 25%, then how much time would she take to solve the same number of questions?
Lata can do 1/3rd of a work in 4 days and Asha can do 1/6th of the same work in 3 days. If both work together then how many days...
A, B, and C can complete a job in 15, 20, and 30 days, respectively. They start the work together but after 3 days, A leaves. Then, B works alone for 5...
'Sita' can complete some work alone in 20 days. 'Geeta' is twice as efficient as 'Reeta' and three times as efficient as 'Sita'. If 'Sita' and 'Reeta' s...
Working individually, 'A' can finish 60% of a task in 18 days, and 'B' takes 15 days longer than 'A' to complete the entire task. However, 'B' and 'C' w...
A and B can finish a job in 10 and 15 days respectively. They start together, but after 2 days A leaves. How many more days will B take to complete the ...
Two men A and B started a job in which A was thrice as good as B and therefore took 60 days less than B to finish the job. How many days will they take ...
30 workers are laying a 6 km railway track. After 18 days, they finish 3/5 of the total work. To speed it up, 10 more workers are added. How many days w...
‘A’ alone can do some work in 25 days. ‘B’ and ‘C’ together can do the same work in 10 days. If ‘B’ is half as efficient as ‘A’, the...
‘A’ and ‘B’ can complete a certain work in 13 days and 26 days, respectively. They started working together and worked till completion of the wo...