Question

Q4-The sum of a
two-digit number and the number obtained by reversing

its digitis 121.Find the number if it’s unit place digit is 5?
​

Answer 1

Step-by-step explanation:

10x+y+10y+x=121

=>11x+11y=121

=>x+y=11[dividing both sides by 11]

=>x+x+7=11[since the units digit is 7more than the tens digit]

=>2x=4

=>x=2

Therefore,y=11-2=9

Therefore the required number is 29

Hope It helps you

Answer 2

Answer:

original number:56

reversed number:65

Step-by-step explanation: