A bookseller can gain 6.666% if he offers a 20% commission on the written selling price of a book. If the commission is reduced to 10% , what will be his gain ?

Which of the following fractions is smaller than 8/9 and greater than 2/5 ?

If the sum of (8, 5 and x ) is 21, then the average of (8, 5 and x ) is -

Six years from now the combined age of father and son will be 54. If, currently , son is 5 times younger than...

A watermelon is divided into 18 equal pieces. If Naz takes 1/3 of the watermelon and Sarah takes 1/3 of the re...

Farhana has a cake recipe which states that the cake should be baked in a pan 8 inches in diameter. If farhana...

In what ratio must a grocer mix two varieties of tea worth Tk.60 per kg and Tk.80 per kg that by selling the m...