## 18. The digit at the tens place of a two digit number is three times the digit at the units place. If the digits are reversed, the new

Question

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## Answers ( )

## Question:

The digit at the tens place of a two digit number is three times the digit at the units place. If the digits

are reversed, the new number will be 36 less than the original number. Find the number.

## To find:

★ To find the number .

Answer:Step-by-step explanation:The digit at the tens place of a two digit number is three times the digit at the units place.NowAssumingthevalues,Let the ten’s be x and one’s digit be y.

The number is

Also given,

Reversed number will be

The new number will be 36 less than the original number.Now substituting the value of x.

Now substituting the value of y in eq (1)

The values of x, y are 6 and 2 respectively.

## Test yourself :

1. A number consists of two digit whose sum is 9.If 9 is subtracted from the number the digits interchange their places. Find the number.

2. A number consists of two digit of which ten’s digit exceeds the units digit by 6. The number itself is equal to ten times the sum of its digits. Find the number.