Home
Class 8
MATHS
1. The unit digit of a two-digit number ...

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

Text Solution

Verified by Experts

Let the second digit of the number is `x`.
Then, the numver will be `10x+3`.
Also, seven times the sum of the digits is the number itself.
`:. 7(x+3) = 10x+3`
`=>7x+21 = 10x+3`
`=>3x = 18`
`=> x = 6`
So, the given number is `63.`
Promotional Banner

Similar Questions

Explore conceptually related problems

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

A two-digit number is 4 times the sum of its digits and twice the product of the digits. Find the number.

The unit digit of a two digit number is 6. If 9 is added to the number ,then 5/4th of the number itself. Find the sum of the digits

A two digit number is 4 times the sum of its digits and twice the product of its digits. Find the number.

The digit of a 2-digit number in a unit is 5 and the sum of the digits is the (1/5) of the original number Find the number.

The sum of two digits of a two-digit number is 11. If 63 is added to the number, the digits get reversed. Find the number.

A two-digit number is 4 xx the sum of its digits and twice the product of the digits.Find the number.

A two digit number is four times the sum of the digits. It is also equal to 3 times the product digits . Find the number.

The sum of two digits of a two-digit number is 11. If 45 is added to this number, the digits get reversed. Find the number.

The ten's digit of a two digit number is three times the unit digit. The sum of the number and the unit digit is 32.Find the number.