Pick the odd one out - 331, 482, 551, 263, 383, 242, 111

The product of two numbers x and y is twice the sum of the numbers. What is the sum of the reciprocals of x an...

How many different six-digit numbers can be formed using all of the following digits : 3, 3, 4, 4, 4, 5 .........

In 2007, the arithmetic mean of the annual incomes of Rahim and Karim was Taka 3800 . The arithmetic mean of t...

In a set of three numbers, the average of first two numbers is 2. The average of the last two numbers is 3, an...

A total of TaKa 1200 is deposited in two savings accounts for one year, part at 5% and the remainder at 7% . I...

The different between a two-digit number and the number obtained by interchanging the positions of its digits...