Find a number which when multiplied by 7 is as much above 132 as it was originally below it.

Two farmers A and B together own a stock of grocery. They agree to divide it by its value. Farmer A takes 72 bags while B takes 92 bags and gives Rs. 8,000 to A. What is the cost of each bag?

A father’s age is four times that of his son. After 5 years, it will be three times that of his son. How many more years will take if father’s age is to be twice that of his son?

A person buys 25 pens worth 250, each of equal cost. He wants to keep 5 pens for himself and sell the remaining to recover his money. What should be the price of each pen?

The sum of the digits of a two-digit number is 12. If the new number formed by reversing the digits is greater than the original number by 18, find the original number. Check your solution.