Find the sum of all natural numbers between 100 and 175.

Which of the following numbers should be added to 11158 to make it exactly divisible by 77?

Sum of two numbers is 60 and their difference is 12. Find their product.

A number gets reduced to its one-third when 48 is subtracted from it. What is two-third of that number?

If 2/7 of a number increased by 25 gives 45 find the number.

The average weight of 30 students in a class is 60 kg. When 20 new students are admitted, the average weight is reduced by 2 kg. Find the average weight of the new students.

The sum of two numbers is 85 and their difference is 9. What is the difference of their squares?

A man spends 1/3 of his income on food, of the rest 1/4 on house rent and 1/5 on cloth. He still has ₹1760 left with him. Find his income.

Piyush takes a loan of ₹ 10000. After 1 yr, he takes another loan of ₹10000 at double the rate of interest. If he has to pay interest at simple rate of interest and settles the loan by paying ₹ 23600 at the end of two years, what is the initial rate of interest he has to pay?