Related Questions

Tow workers A and B are engaged to do a work . A working alone takes 8 hours more to complete the job than if both worked together . If B worked along, he would need 4.5 hours more to complete the job than they both working together . What time would they take to do the work together ?
ক 4 hours
খ 5 hours
গ 6 hours
ঘ 7 hours
A and B together do a job in 12 days and A could do the job in 20 days if he worked alone. How many days would B take to do the job if he worked alone?
ক 30
খ 25
গ 24
ঘ 15
M, N and P were each paid the same hourly rate rate to rate to paint a building.M worked for a full day, N worked for half a day and P worked half as long as N worked. Together they earned BDT 560. How much money did N receive?
ক 240
খ 160
গ 100
ঘ 320
A man can do a job in 15 days. His father takes 20 days and his son finished it in 25 days. How long will they take to complete the job if they all work together?
ক Less than 6 days
খ Exactly 6 days
গ More than 10 days
ঘ Approximately 6.4 days
If sam can do a job in 4 days that lisa can do in 6 days and Tom can do in 2 days , how long would the job take if sam , lisa and Tom worked together to complete it?
ক 0.8 days
খ 1.09 days
গ 1.23 days
ঘ 1.65 days
A factory that employs 1000 assembly -in workers pays each of these workers at a rate of Tk. 5 per hour for the first 40 hours worked during a week and 1.5 times that rate for the hours worked in excess of 40 hours. whatis the total amount paid to the workers in a week in which 30% of the workers worked 20 hours, 50% worked 40 hours and the rest of the workers worked 50 hours?
ক 1,85,000
খ 1,58,12,5
গ 14547
ঘ 4752547
Nurse Kemp has worked more night shifts in a row than Nurse Rogers, who has worked five. Nurse Miller has worked fifteen night shifts in a row, more than Nurses Kemp and Rogers combined. Nurse Calvin has worked eight night shifts in a row, less than Nurse Kemp. How many night shifts in a row has Nurse Kemp worked?
ক eight
খ nine
গ ten
ঘ eleven
A and B together do a job in 15 days and A alone could do the same job in 20 days. How many days would B take to do half the job if he worked alone?
ক 60
খ 30
গ 45
ঘ 40
Arafat and Asif were each paid X taka in advance to do a certain job together. Arafat worked on he job for 10 hours and Asif worked 2 hours less than Arafat. If Asif gave Arafat Y taka of his payment so that they would have received the same hourly wage, what was the amount in taka, in terms of Y, that Arafat was paid in advance?
ক 5Y
খ 6Y
গ 8Y
ঘ 9Y
A man and a boy together can complete a job in 81 days. Two men and three boys together can complete the same job in 36 days. In how many days can four men together complete the same job?
ক 21
খ 27
গ 30
ঘ 36

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