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Tap ‘X’ produces 10 litres per minutes. Tap ‘Y’ can fill a tank in 10 hours. If both the taps are opened simultaneously, in how much time the tank will be full?

Abhinav and Anubhav together can complete a task in 16 days, where as Anubhav and Amitab together can do the same task in 24 days. If Amitab alone can do that task in 40days, approximately in how many days Abhinav alone can do that task?

‘A’ is twice efficient to ‘B’ and ‘B’ is 60% more efficient to ‘C’. If ‘A’ can do a piece of work in 15 days, approximately, in how many days ‘B’ and ‘C’ together can do that work?

8 men can complete a work in 15 days. 8 men started the work and worked till 60% of the work is completed. Then 4 more men joined. How many days in all they take to complete the work?

A man is 50% more efficient as a woman. If 10 men and 8 women can do this work in 22 days, in how many days , 8 men and 10 women can do the same work?

16 technicians can do a task in 5 hours. 10 technicians started the work at 8 am, but one technician being added each hour starting from 11 am, at what time the task will be completed?

20 men completed a work in certain number of days. If there were 5 more men, the work would have been completed in 4 days less. In how many days a team of 40 men can do this work?

12 men can do a work in 15 days. 12 men started the work but after working for 5 days, 6 men left. How many days in all it takes to complete the work?

An inlet tap which produces pure milk can fill an empty tank in 15 hours. Another tap which produces water can fill the same tank in 60 hours. If both the taps are opened simultaneously, what will be the concentration of the milk in the tank, when it is full?

‘A’ and ‘B’ undertook a piece of work for Rs. 5400. ‘A’ started the work and ‘B’ joined him after 4 days. ‘A’ alone can do that work in 12 days and ‘B’ in 15 days. How much did ‘A’ get?

Tap ‘X’ fills a tank ‘A’ in 15 hours, where as another tap ‘Y’ fills the same tank ‘A’ in 25 hours. If taps ‘X & Y’ together can fill a second tank ‘B’ of capacity 1200 litres in 10 hours, find the capacity of tank ‘A’?

Mahesh can do as much work in 10 days as Naresh can do in 15 days. Suresh can do as much work in 12 days as Naresh can do in 10 days. What is the ratio of the efficiency of Mahesh to that of Suresh?

‘A’, ‘B’ and ‘C’ working alone can do a work in 15, 20 and 30 days respectively. If they work individually one after other starting with ‘A’ on the first day, ‘B’ on the second day, ‘C’ on the third day, again ‘A’ on the fourth day and so on, in how many days the work will be completed?

Pradeep can do a work in 30 days. Pradeep started the work and Sandeep joined him after 8 days. The work is completed after 10 more days. In how many days Sandeep alone can complete that work?

‘A’ can do a work in 24 days, ‘B’ can do the same work in 36 days. ‘A’, ‘B’ and ‘C’ together completed that work in 12 days. In how many days ‘C’ alone can do that work?

15 questions

can you please give an answers to how to solve this questions. In order to help to improve our mathematical abilities.

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