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If the sum of two numbers is 13 and the sum of their square is 85. Find the numbers?

The 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?

A two-digit number is such that the product of the digits is 12. When 9 is subtracted from the number, the digits are reversed. The number is:

Find a positive number which when increased by 16 is equal to 80 times the reciprocal of the number

What is the sum of two consecutive odd numbers, the difference of whose squares is 56?

The product of two numbers is 108 and the sum of their squares is 225. The difference of the number is:

What is the sum of the first 50 natural numbers?

What is the unit's digit in the product (267)153 x (66666)72 ?

What is the total number of prime factors in the expression 1212 x 1616 x 1818 ?

What should be assigned to # so that 2582#724 is divisible by 11 ?

There are 16 questions to complete.

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