Math, asked by pushpendrasingh54558, 1 month ago

the sum of 2 digit number is 12 the number is 6 time s the unit digit find the number .​

Answers

Answered by anbupriyannagai
1

Answer:

The sum of the digits of a 2-digit number is 12. The number is 48

Solution:

Let assume number at tens place = X

And number at units place = y

So number = 10x + y

Given that sum of two digits is 12

=> x + y = 12

=> y = 12 - x

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5 points

(1)

Also given number is 6 times the unit digit

=> 10x + y = 6y

=> 10x - 5y = 0

=> 2x - y = 0

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(2)

Substituting value of x from equation (1) in equation (2) we get

=>2x -( 12 x) = 0

=> 3x = 12

=>X = 4

From (2) y = 12 - x = 12 - 4 = 8

Hence required number is 10 x 4 + 8 = 48.

Step-by-step explanation:

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