Question

The sum of a two-digit number and the number obtained

required by reversing its digits is 121. Find the number if it‟s

unit place digit is 5.​

Answer 1

Answer:

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Step-by-step explanation:

96

Let unit digit be x and ten's digit be y

then number =10y+x

According to problem

(10y+x)+(10x+y)=165

⇒ x+y=15...(i)

and x−y=3...(ii)

or y−x=3....(iii)

On solving equation (i) and (ii) x=9 and y=6

∴ The number will be 69

On solving equation (i) and (iii) x=6 and y=9

∴ The number will be 96