Which three-digit number, made of consecutive digits, like 567, is 2 less than a cube and 2 more than a square?

Can you think of a smallest +ve number such that if we shuffle the digits of the number, the new number becomes double the original number?

A brand new Mobile Phone was on sale at 20% as a promotional offer. By what per cent must the Mobile price be increased to sell it at the original price again?

The square root of number 121 is "11". What is the square root of the number "12345678987654321."?

Can you find a number that lies one third of the distance between 1/3 and 2/3?

A girl is twice as old as her brother and half as old as her father. In 50 years, her brother will be half as old as his father. How old is the daughter now?

What is next number in the pattern below:

131 517 192 123 ?

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

Can you find the missing number in the third row?
35 20 14
27 12 18
5 2 ?

You need to arrange three 7 and mathematical symbols to form number 1?