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Karim and Babu can build a wooden table in 3 days. Babu can do it alone in 5 days. How many days would it take Karim to do this job alone?

1. A 0.2
2. B 5.0
3. C 6.4
4. D 7.5

A machine produces 1000 units of plastic chair per hour. Working continuously at this rate how many plastic chair will this machine produce in a week?

1. A 168000
2. B 268000
3. C 68000
4. D 7000

Rumi and Rony can finish a task working together in 12 days. If Rony alone can finish that in 20 days, how many days will Rumi need to finish the task working alone?

1. A 20
2. B 25
3. C 30
4. D 33

Some persons can do a pice of work in 12 days. Two times the number of such persons will do half of that work in:

1. A 12 days
2. B 3 days
3. C 4 days
4. D 6 days

If 6 workers can complete 9 identical job in 3 days, how long (in days) will it take 4 workers to complete 10 such jobs?

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

A laborer is paid Tk.20 per hour for an 8-hour day. If he works overtime (above 8 hours) in a single day, he is paid 1.5 times the rate he is paid for regular hours. If the laborer receive Tk.200 for a single day's work. How long did he work on that day?

1. A 6 hours 20 minutes
2. B 8 hours 50 minutes
3. C 9 hours 20 minutes
4. D 9 hours 50 minutes

A contractor employs 60 person for doing a job in 80 days. After 20 days it was found that only one-fifth of work was finished.How many more persons are to be employed to finish the job as per schedule?

1. A 20
2. B 40
3. C 60
4. D 80

Mr. X can finish a work in 6 days and Mr. Y can finish the same work in 8 days. How long will it take to finish the work together?

1. A 24/7 days
2. B 6 days
3. C 7 days
4. D 8 days

A mechanic repairs 4 cars in 5/3 hours. How many cars can he repair in 50 minutes?

1. A 2
2. B 21/3
3. C 22/3
4. D 25/3

If ‘x’ men can do a work in 8 days and ‘x + 4’ men can do it in 6 days, what is the value of ‘x’?

1. A 12
2. B 4
3. C 6
4. D 8

If a worker can packs 1/6 of a carton of canned food in 15 minutes and there are 40 workers in a factory, how many cartons should be packed in the factory in 5/3 hours?

1. A 33
2. B 362/9
3. C 391/9
4. D 400/9

20 men can finish a work in 30 days. After how many days should 5 men leave the work so that the work may be finished in 35 days?

1. A 10
2. B 12
3. C 15
4. D 20