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Questions

Three individuals contributed Tk. 8000 each toward the purchase of a computer. If they bought the computer on sale for Tk. 19500 plus 10% sales tax, how much money should be refunded to each individual ?

when a certain number is divided by 7, the remainder is 0. if the remainder is not 0 when the number is divided by 14, then the remainder must be __

If ax=b, by=c and cz=a, then the value of xyz is __

For what value of x is 82x-4=16x?

A is 30% more efficient than B. How much time will they, working together , take to complete a job which a alone could have done in 23 days?

If x = 1+2 and y =1-2 find the value of (x2+y2)

One dozen eggs and ten pound of apples are currently of the same price . if the price of a dozen eggs rises by 10% and that of apples rises by 2% how much more will it cost to buy a dozen of eggs and ten pounds of apples?

An iron rod that weighs 24 kg is cut into two pieces so that one of these pieces weighs 16kg and is 34 m long . If the weight of each piece is proportional to its length , how long is the other piece?

The price of a pen is 25% more than the price of a book. The price of a pen holder is 50% more than the price of the book. How much is the price of the pen holder more than the price of the pen?

The total age of A and B is 12 years more than the total age of B and C.C is how many years younger than A?

If for integer x, 510 and y =x + 5, what is the greatest possible value of x +y?