The sum of five consecutive integers is 105. The sum of the first two is :

If 5x + 2y = 10 and x + 8y = 46, then 3x + 5y equals :

An overnight express firm charges Tk. 2 per kg for the first 10 kg of packet weight and Tk. 1 for each kg of o...

At a selling price of Tk. 275 a book yield 25% profit. What selling price will yield the profit of 10%?

If the side of a square decreases by 30%, then the area of the square decreases by :

How many of the integers between 150 and 160 are prime numbers?

City B is 4 miles east of City A. City C is 3 miles north of City B. City D is 8 miles east of City C and City...