Related Questions

According to the report 'Doing Business 2011' published by International Finance Corporation, What was the standing of Bangladesh in terms of cost of doing business?
A 107
B 108
C 109
D 110
Faruk can do a work in 12 days and Salam can do the same work in 8 days. If Faruk , Salam and Babu work together , they can complete the work in 4 days . How many days will it take Babu to complete the work alone ?
A 16
B 20
C 24
D 32
A can finish a work in 5 days and B takes 4 days to do the same work. If the work is increased by 8 times, how many days will it take for both of them to finish the work if they work together?
A 10 days
B 15 days
C 20 days
D 25 days
A can finish a work in 5 days and B takes 4 days to do the same work . If the work is increased by 8 times, how many days will it take for both of them to finish the work if they work together?
A 20 days
B 15 days
C 10 days
D 25 days
Mujahid can do a work in 8 days, while has colleagues Asad takes 12 days and Mithun takes 16 days to complete the same.Mujahid and Asad started the work and after few days Asad left the work keeping it incomplete. Rest of the work was completed by Mujahid and Mithun in 2 days.How long it took to complete the whole work?
A 4 days
B 5 days
C 6 days
D 8 days
If the ratio of speed of doing work of the persons is 1 : 3 : 5 , what is the ratio of this taken by these people to do the same amount of work ?
A 15 : 5 : 3
B 15 : 5 : 7
C 3 : 15 : 5
D 15 : 3 : 5
A vessel into which the steam is exhausted and condensed after doing work in an engine cylinder or turbine is known as
A Steam condenser
B Steam boiler
C Steam preheater
D Economiser
A can do a piece of work in 10 days. While B alone can do it in 15 days. They work together for 5 days and the rest of the work is done by C in 2 days. If they get Tk 450 for the whole work, how much money C should get from the whole?
A Tk 150
B Tk. 75
C Tk. 225
D Tk. 200
It takes 10 days for 4 boys to complete a piece of work. The same work can be completed by 7 girls in 10 days. If 3 boys and 5 girls work in together, approximately how many days will they need to complete the work ?
A 10
B 15
C 7
D none of these
X,Y and Z can do a piece of work in 6 hours.X and Y can do the same work in 8 hours and Y and Z can do the same work in 12 hours.In how many times will X and Z do the same work?
A 6 hours
B 8 hours
C 10 hours
D 12 hours

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