Related Questions

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?
A 1,85,000
B 1,58,12,5
C 14547
D 4752547
Two pipes A and B can fill a tank in 6 hours and 4 hours respectively. If they are opened on alternate hours and if pipe A is opened first, in how many hours, the tank shall be full ?
A 4
B 4.5
C 5
D 5.5
Pipe P can fill and empty tank in 4 hours but pipe Q can completely empty the same tank in 8 hours. But the pipes were opened alternately after every two hours starting with pipe P then in how many hours, the tank was completely filled ?
A 6 hours
B 5 hours
C 10 hours
D 12 hours
Three pipes P, Q and R can fill a tank in 6 hours. After working all three together for 2 hours, R is closed and P and Q can fill the remaining part in 7 hours. The number of hours taken by R alone to fill the tank is-
A 10
B 12
C 14
D 16
Three pipes P, Q and R can fill a tank in 6 hours. After running all three together for 2 hours, R is closed and P and Q can fill the remaining part in 7 hours. The number of hours taken by R alone to fill the tank is ---
A 10
B 12
C 14
D 16
Three pipes P,Q and R can fill a tank in 6 hours. After working all three together for 2 hours. R is closed and P and Q can fill the remaining part in 7 hours . The number of hours taken by R alone fill the thank is --
A 10
B 12
C 14
D 16
Three pipes A, B and C can fill a tank in 6 hours. After working at it together for 2 hours. C is closed and A and B can fill the remaining part in 6 hours. The number of hours taken by C alone to fill the tank is:
A 8 hours
B 10 hours
C 14 hours
D 18 hours
A business firm reduces the number of hours its employees work from 40 hours per week to 36 hours per week while continuing to pay the same amount of money. If an employee earned x taka per hour before the reduction in hours, how much does he earn hour under the new system?
A 1/10
B x/9
C 9x/10
D 10x/9
A business firm reduces the number of hours its emplyess work from 40 hours per week to 36 hours per week while continuing to pay the same amount of money. If an employee earned x taka per hour before the reduction in hours, how much does he earn per hour under the new system?
A 1/10
B x/9
C 9x/10
D 10x/9
Vijay can do a work in 8 hours. Vijay and Puneet together can do the same work in 6 hours. Puneet and Sachin together can do the same work in 4 hours. Sachin alone can complete the same work in how many hours?
A 22\/5
B 28\/5
C 24\/5
D 26\/5

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