Time and Work - Comprehensive Mock Test 8

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Question 71 Medium

A boat goes 100 km downstream in 10 hours, and 75 m upstream in 15 hours. The speed of the stream is?

Question 72 Hard

A person can swim in still water at 4 km/h. If the speed of water 2 km/h, how many hours will the man take to swim back against the current for 6km?

Question 73 Hard

Two pipes X and Y can separately fill a cistern in 18 and 24 hours respectively. If they are turned on alternately for one hour each, how long will it take to fill the cistern?

Question 74 Hard

If 12 men and 16 boys can do a piece of work in 5 days and 13 men together will 24 boys can do it in 4 days. Compare the daily work done by a man with that of a boy.?

Question 75 Medium

Some persons can do a piece of work in 12 days. Two times the number of these people will do half of that work in?

Question 76 Hard

15 men take 21 days of 8 hours each to do a piece of work. How many days of 6 hours each would 21 women take to do the same. If 3 women do as much work as 2 men?

Question 77 Hard

A, B and C completed a piece of work, A worked for 6 days, B for 9 days and C for 4 days. Their daily wages were in the ratio of 3:4:5. Find the daily wages of C, if their total earning was Rs.1480?

Question 78 Hard

Anita, Indu and Geeta can do a piece of work in 18 days, 27 days and 36 days respectively. They start working together. After working for 4 days. Anita goes away and Indu leaves 7 days before the work is finishe4âƒ£ Only Geeta remains at work from beginning to en4âƒ£ In how many days was the whole work done?

Question 79 Medium

If 3 workers collect 48 kg of cotton in 4 days, how many kg of cotton will 9 workers collect in 2 days?

Question 80 Hard

A can do a half of certain work in 70 days and B one third of the same in 35 days. They together will do the whole work in.?

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Time and Work - Comprehensive Mock Test 8

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A boat goes 100 km downstream in 10 hours, and 75 m upstream in 15 hours. The speed of the stream is?

Solution Breakdown:

A person can swim in still water at 4 km/h. If the speed of water 2 km/h, how many hours will the man take to swim back against the current for 6km?

Solution Breakdown:

Two pipes X and Y can separately fill a cistern in 18 and 24 hours respectively. If they are turned on alternately for one hour each, how long will it take to fill the cistern?

Solution Breakdown:

If 12 men and 16 boys can do a piece of work in 5 days and 13 men together will 24 boys can do it in 4 days. Compare the daily work done by a man with that of a boy.?

Solution Breakdown:

Some persons can do a piece of work in 12 days. Two times the number of these people will do half of that work in?

Solution Breakdown:

15 men take 21 days of 8 hours each to do a piece of work. How many days of 6 hours each would 21 women take to do the same. If 3 women do as much work as 2 men?

Solution Breakdown:

A, B and C completed a piece of work, A worked for 6 days, B for 9 days and C for 4 days. Their daily wages were in the ratio of 3:4:5. Find the daily wages of C, if their total earning was Rs.1480?

Solution Breakdown:

Solution Breakdown:

If 3 workers collect 48 kg of cotton in 4 days, how many kg of cotton will 9 workers collect in 2 days?

Solution Breakdown:

A can do a half of certain work in 70 days and B one third of the same in 35 days. They together will do the whole work in.?

Solution Breakdown:

Community Discussion