Related Questions

Which one of the following is present in the largest amount in terms of percent by mass 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
Two men and women are entrusted with a task. The second man needs three hours more to cope up with the job than the second man and the woman would need working together. The first man, working alone, would need as much time as second man and the woman working together. The first man working alone, would spend eight hours less than the double period of the time second man would spend working alone. How much time would the two men and the women need to complete the task if they all asked together?
A 1 hour
B 2 hours
C 3 hours
D 4 hours
E 5 hours
Fuel combustion is never cent per cent efficient due to
A Incomplete combustion
B Dry gas/stack gas loss
C Moisture loss
D All of the above
The most abundant metal present in the earth's crust is;
A Iron
B Copper
C Titanium
D Aluminium
A business is owned by 9 women and 1 man . each of whom owns an equal share. If one of the women sells of her share to the man and another woman keeps 1/5 of her share and sells the rest to the man , what fraction of the business will the man won?
A 1/2
B 11/32
C 7/8
D 23/100
Mr.khan invested an amount of TK. 13,900 divided into two different schemes A and B at a simple interest rate of 14% per annum and 11% per annum respectively. If the total amount of simple interest earned in 2 years be Tk. 3,508, what was the amount invested in Scheme B?
A TK. 6400
B TK. 6500
C TK. 7200
D TK. 7500
X and Y start a business by investing a certain amount in the ratio 9: 16 . Both of them invest for an equal period of time . At the end of the term , X's share of profit is what per cent less than that of Y?
A 6212
B 60
C 5523
D 4334

Next steps