Can you find out which number multiplied by itself will give the output as 12345678987654321?

What three numbers, none of which is zero, give the same result whether they’re added or multiplied?

Can you make the number 24 by utilizing the numbers 1, 3, 4 and 6? You must use one number only one time and you can use mathematical operation symbols anytime anywhere.

Can you write down eight eights so that they add up to one thousand?

Using mathematical symbols like +, -, and x in order to make the equations correct. Replace # with the above-given symbols.

9 # 8 # 7 # 6 # 5 # 4 = 91

Can you arrange four 9's and use at most 2 math symbols, to make the total 100?

A man had five children. He had $100 with him to give to his children. He decided to start with the youngest child and then give $2 more than each younger child to his next elder child.

For example, if he gives $x to the youngest child, he will give $(x+2) to the next one, $[(x+2) + 2] to the next one and so on.

Can you find out how much did the youngest one receive?

Replace the 'X' with any mathematical symbol to make the expression equal to 111.

18 X 12 X 2 X 3 = 111

We know that the number 7 is the prime followed by a cube. Which next number is also a prime followed by a cube?

How do you go from 98 to 720 using just one letter?