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 energy loss in flow through ven-turimeter is less than that through flow nozzle, because in case of a flow nozzle, the
A Length is shorter
B Throat diameter is more
C Sudden expansion of flow in the downstream occurs
D Distance between the throat and the inlet is more
The price of an item changed from Tk. 120 to Tk. 100. Later, the price decreased again from Tk. 100 to Tk. 80 and finally the price decreased from Tk. 80 to Tk. 60. What oif the three decreases was larger in percentage term?
A 1st decrease
B 2nd decrease
C 3rd decrease
D Both 2nd and 3rd
A swimming pool is initially filled to a depth of 96 inches. After 2 weeks, the depth has decreased to9212 inches. Assuming that the depth decreased at a constant rate, after how many days would the water depth have reached 9334 inches?
A 3
B 9
C 7
D 6
If the radius of a circle is decreased by 20% then the area is decreased by:
A 20%
B 30%
C 36%
D 40%
২০২৩ সালে কোম্পানির সম্পদ ৭০,০০০ টাকা কমেছে এবং দায় ১,০০,০০০ কমেছে। কোম্পানির মালিকানা স্বত্ব কত? (In 2023, asset of the company decreased Tk. 70,000 and liability decreased Tk.1,00,000. What will be the owner's equityn)
A ৩০,০০০ টাকা বাড়বে (Tk. 30,000 increase)
B ৩০,০০০ টাকা কমবে (Tk.30,000 decrease)
C ১,৩০,০০০ টাকা কমবে (Tk. 1,30,000 decrease)
D ১,৩০,০০০ টাকা বাড়বে (Tk. 1,30,000 increase)
If you had bought a house about thirty years ago, you would certainly find that it had considerably ___ in value.
A increased
B heightened
C developed
D doubled

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