Number System

The sum of the digits of a two-digit number is 10. If 18 is subtracted from this number, the digits of the resulting num...

Simplify $$ 24 \div 4 \times 2 + 8 - 4 $$. ...

On dividing a number by 38, we get 90 as the quotient and 19 as the remainder. What is the number?...

Difference in the place values of 3 used at two places in the number 934530 is: ...

What is the smallest square number which is divisible by 4, 6, and 32? ...

Which of these numbers 6400, 125, 261, and 4913 is not a perfect cube? ...

In a 2-digit number, the unit's digit is 5 more than the ten's digit. If 5 times the given number is 24 more than two t...

The average of five consecutive natural numbers is 50. What is the product of the smallest and the largest of the numbe...