Question

The sum of the digits of three digit number is 8. the middle digit is thrice the sum of the other two digits. The difference between the number and the number obtained be reversing the digit is zero. What is the number? options (a)161 , b 242 c 192 d 125 pls explain clearly
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Answer 1

Answer:

Let the 2 - digit number of xy

x+y=8 where T and O are tens place and ones place

xTyO−yTxO=18

⇒(10x+y)−(10y+x)=18

⇒9x−9y=18

⇒9(x−y)=18

⇒x−y=2

Therefore, difference between digits is 2.

hope it helps!!

Answer 2

Answer is in attachment✌✌✌