The sum of two umbers is 73 and their difference is 28. Find the difference between their squares.

A positive integer which when added to 100, gives a sum which is greater than when it is multiplied by 100. What is the number?

The sum of numerator and denominator of a fraction is 30. If 2 is added to numerator and 2 is subtracted from denominator, then it becomes 2/3. Find the fraction.

The product of fraction A and B is (3/49). Find the value of fraction A, if fraction A is thrice fraction B.

A two-digit number is such that the product of the digits is 8. When 18 is added to the number, then the digits are reversed. The number is:

The average of 3 consecutive even numbers is 18, find the largest of these numbers.

3The difference between a two-digit number and the number obtained by interchanging the positions of its digits is 36. What is the difference between the two digits of that number?

3/4th of a number exceeds its 2/3rd by 8. What is the number?

5 times a positive number is less than its square by 24. What is the integer?

4The difference between a two-digit number and the number obtained by interchanging the digits is 36. What is the difference between the sum and the difference of the digits of the number if the ratio between the digits of the number is 1 : 2 ?