Question

the ones digits of a2- digit number is twice the tens digit when the number fromed by reversing the digit is added to the original number. the sum is 99 find the original number
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Answer 1

Answer:

36

Step-by-step explanation:

Let the tenth digit be x and unit digit be 2x

so the no. = 10× x + 2x = 12x

According to second statement

(10×2x + x )+ (10× x + 2x )= 99

21x+12x = 99

33x = 99

x= 3

So the required no. is 12 × 3 = 36

Answer 2

Answer:

ORIGINAL NUMBER = 36 ...........................