Related Questions

A machine P can print out one lakh books in 8 hours. Machine Q can print the same number of books in 10 hours while machine R can print them in 12 hours. All the machines are started at 9 A.M.While machine P is stopped at 11 A.M. and remaining two machines completed the work. Approximately at what at what time will the work time (to print one lakh books) be finished?
A 11.30 Am
B 12 Noon
C 12.30 Pm
D 11.35 am
A small factory with 3 machines has a job of stamping out a number of pan covers. The newest machine can do the job is 3 days, another machine can do it in 4 days, and the third machine can do it in 6 days. How many days will the factory take to do the job using all the machine?
A 1.333
B 4.333
C 6
D 13
A machine P can paint one lakh books in 8 hours; machine Q can print the same number of books in 10 hours while machine R can print them in 12 hours. All the machines started operating at 9 A. M. while machine P is stopped at 11 A. M. and the reamaining two machines completed the work. Approximately at what time will the work (to print one lakh books) be finished?
A 11:30 A. M
B 12:00 noon
C 12:30 P. M.
D 1:00 P. M.
Three years ago, a machine was bought for Tk 1,00,000. The installation cost was Tk 20,000. The machine was depreciated in a straight line method at 20% per year. At the end of the 3rd year, the machine was sold for Tk 46,000. What is the gain/loss from sale of this machine?
A gain of Tk 2,000
B gain of Tk 6.000
C loss of Tk 2,000
D loss of Tk 6,000
E None of these
The fineness modulus of fine aggregate is in the range of
A 2.0 to 3.5
B 3.5 to 5.0
C 5.0 to 7.0
D 6.0 to 8.5
Due to reduction in the bus fare by 15% , the number of passengers on a certain route increased by 40% . What will be the percentage of increased in revenue?
A 17
B 19
C 20
D 25
Out of the following size reduction equipments, the maximum feed size can be accepted by the
A Tube mill
B Ball mill
C Jaw crusher
D Jet pulveriser
Arrange the following size reduction equipment in the decreasing order of the average particle size produced by each of them.
A Jaw crusher, Ball mill, Fluid energy mill
B Ball mill, Jaw crusher, Fluid energy mill
C Fluid energy mill, Jaw crusher, Ball mill
D Fluid energy mill, Ball mill, Jaw crusher
per day wage rate of workers is reduced 50% due to economic slowdown. After one year, the wage rate is increased by 60% . If the per day wage rate before the decrease was Tk. 100, then what is the per day wage rate now?
A 90
B 100
C 60
D 80
per day wage rate of workers is reduced 50% due to economic slow down. After one year ,the wage rate is increased by 60% . If the per day wage rate before the decrease was Tk.. 100, then what is the per da y wage rate Now?
A 90
B 100
C 60
D 80

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