Related Questions

Which one of the following is present in the largest amount in terms of per cent by man In the earth's crust?
A Silicon
B Oxygen
C Carbon
D Calcium
The most abundant element in the earth 's crust is oxygen . The second most abundant element is the earth's crust is -
A Hydrogen
B Silicon
C Nitrogen
D Brass
The mean thickness of oceanic crust and continental crust is around:
A 5 kilometer and 15 kilometer respectively.
B 10 kilometer and 30 kilometer respectively.
C 5 kilometer and 30 kilometer respectively.
D 18 kilometer and 40 kilometer respectively.
When an object enters earths atmosphere, it travels ----
A very repidly
B in a rapid manner
C fastly
D rapidly
A department store receives a shipment of 1,000 shirts, for which it pays $9,000. The store sells the shirts at a price 80 percent above cost for one month, after which it reduces the price of the shirts to 20 percent above cost. The store sells 75 percent of the shirts during the first month and 50 percent of the remaining shirts afterward. How much gross income did sales of the shirts generate?
A Tk. 10800
B Tk 12150
C Tk 13500
D Tk 14800
In the Excel Manufacturing Company, 46 percent of the employees are men. If 60 percent of the employees are unionized and 70 percent of these are men, what percent of the non-unionized workers are women?
A 90%
B 87.5%
C 66.7%
D 50%
In a class of 200 students , 40 percent are girls . 25 percent of the boys and 10 percent of the girls signed up for a tour to Cox's bazar . What percent of the class signed up for the tour?
A 19%
B 23%
C 25%
D 27%
If 75 percent of a class answered the first question on a certain test correctly, 55 percent answered the second question on the test correctly, and 20 percent answered neither of the questions correctly, what percent answered both correctly?
A 10%
B 20%
C 30%
D 50%
In a shipment of 120 machine parts 5 percent , 5 percent were defective , In a shipment of 80 machine parts , 10 percent were defective. For the two shipments combined , what percent of the machine parts were defective ?
A 6.5%
B 7%
C 7.5%
D 8.0%
In the Excel Manufacturing Company, 46 percent of the employees are men. If 60 percent of the employees are unionized and 70 percent of them are men, what percent of the non-unionized workers are women?
A 90%
B 87.5%
C 66.7%
D 50%

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