Question

 A number is of two digits. The sum and the difference of the number and that formed by reversing the digits are 99 and 45. Find the number​

Answer 1

Answer:

45 and 54

Step-by-step explanation:

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Answer 2

Answer: The original no. = xy

Sum= y+x = 99 → y = 99-x

Difference= y-x = 45

∴ 99-x-x= 45

99-2x= 45

-2x= 45-99

-2x= -54

x= 54/2 = 27

→ x = 27

→y = 99-x = 99-27

= 72

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