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A clock slows down one minute every 24 hours. How long will it take to slow down by one hour?

1. A 24 days
2. B 30 days
3. C 60 days
4. D 60 hours

If Salam makes a box every 5 minutes and Kalam takes 7 minutes to make a box, what will be the ratio of the number of boxees produced by Salam to the number of boxes produced by Kalam if they work for 5 hours and 50 minutes?

1. A 5 to 6
2. B 5 to 7
3. C 6 to 5
4. D 7 to 5

A television service centre can process 8 television in 18 minutes. How many televisions can it process in 3 houres at this rate?

1. A 150
2. B 45
3. C 60
4. D 80

A, B and C started a job which they can complete in 2 days. B can do the job in 5 days and C can do it in 4 days. After working for 1 day, both B and C left. How long would it take A to complete the rest of the job?

1. A 10 days
2. B 20 days
3. C 30 days
4. D 4 days

If 18 identical machines required 40 days to complete a job, how many fewer days would have been required to do the job if 6 additional machines of the same type had been used from the beginning?

1. A 10
2. B 13.33
3. C 16
4. D 26.66

K produces 100 parts twice as fast as G does. G produces 100 parts in 40 minutes. If each produces parts at a constant rate, how many parts will K produces in 6 minutes?

1. A 15
2. B 20
3. C 25
4. D 30

If 8 men can do a job in 12 days, what is the percentage increase in the number of days required to do the job when 2 men are released?

1. A 20%
2. B 25%
3. C 33.33%
4. D 4%

Three pipes are used to fill a pool with water. Individually they can fill the pool in 9 hours, 6 hours and 3 hours. How many minutes will it take to fill the pool if three pipes are used simultaneously?

1. A 1.63
2. B 5.64
3. C 54
4. D 98

Six men can complete a work in 5 days if they work for 8 hours per day. How many days will 4 men take to do the same work if they work only 5 hours per day?

1. A 12
2. B 16
3. C 24
4. D 32

Ram can do a job in 20 days while Sham can do the same job in 25 days. After working for 10 days together, Sham left and Ram finished the job. How many days did Ram take to finish the job?

1. A 1
2. B 2
3. C 4
4. D 5

Nazir can wash his car 15 minures while his son takes twice as long. If they work together how many minutes will the job take them?

1. A 10
2. B 12
3. C 20
4. D 5

If it takes 50 workers 4 hours to dig a hole, how long should it take 30 workers to dig the same hole?

1. A 2 hours 24 minutes
2. B 5 hours 12 minutes
3. C 6 hours 12 minutes
4. D 6 hours 40 minutes