Question

The sum of the digits of a two-digit number is 10. the unit is four times the tens digit find the number​

Answer 1

Answer:

82

Step-by-step explanation:

Given, the digit at the ten's place is 4 times the digit at the unit's place. Also, sum of the digits and the number is 92. Then, the two-digit number is 10 x 8 + 2 = 82..

Answer 2

Answer:

let the no. be 10x + y.

then sum of digits = x+y =10

unit digit = y

tens digit= X

4x=y (given)

x+y 10

x + 4x =10

5x =10

x=2

y = 4x = 4 *2=8

Ans 10x +y

10*2 + 8

28

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