MATHS [4 marks sum]

In a 3-digit number, the hundreds digit is twice the tens digit while the units digit is thrice the tens digit. Also, the sum of its digits is 18 . Find the number.

A two-digit number is 3 more than 4 times the sum of its digits. If 18 is added to the number, its digits are reversed. Find the number.

In a two-digit number, the digit at the units place is thrice the digit in the tens place. The number exceeds the sum of its digits by 27 . Find the number.

The units digit of a two-digit number is 3 and seven times the sum of the digits is the number itself. Find the number.

In a two-digit number the units digit is four times the tens digit and the sum of the digits is 10 . Find the number.