1)
- A and B complete a work in 10 days and 15 days respectively. A and B started working together but after sometime A left the work and the whole work will complete in nine days then calculate after how much time a left the work ?
Ans- 4 days
2)
X and Y can complete a work in 20 days and 30 days respectively. X and Y started working together after sometime Y left the work and the whole work will be complete in 16 days. Then calculate after how much time Y left the work?
Ans- 6 days
3)
X and Y can complete a work in 20 days and 30 days respectively. X and Y started working together but after sometime Y left the work and the rest of work will be completed by X in next 10 days then calculate after how much time Y left the work?
Ans- 6days
4)
Two men can build a wall in 15 and 20 hours respectively but if they work together they uge 280 less bricks per hour and build the wall in 12 hour. Find the number of bricks in the wall.
Ans- - 8400
5)
Two men can build a wall in 9 hour and 10 hour respectively but if they work together the use 10 less breaks less per hour and build the wall in 5 hour then find the number of brakes in the wall.
Ans- 900
6)
Two candles of same height burns completely in 4 hour and 6 hour respectively if both started burning together at same time then calculate after how much time the ratio of their height will be 2:3?
Ans- 2hr 24minutes
7)
Three workers X, Y and Z can complete a work in 20, 30 and 60 days respectively how many days will it take to X to complete the entire work if he is assisted by Y and Z every 3rd day?
Ans- 15 days
8)
X takes twice as time as Y or thrice as much time as Z to finish a piece of work. working together they can finish the work in 2 days. Then in how many days Y can finish the work alone?
Ans- 6 days
9)
X and Y can do a piece of work in 30 days while Y and Z can do the same work in 24 days and Z and X in 20 days. They all work together for 10 days when Y and Z leave then how many days more eggs will take to finish the work ?
Ans- 18 days
10)
20 women can do a work in 16 days 16 men can complete the same work 15 days what is the ratio between the capacity of a man and women?
Ans- 4:3
THANK YOU ❤️
