Math, asked by jyothinarayan42, 8 months ago

The sum of the digits of a two-digit number is 9. If 27 is added to it, the digits of the number get reversed. The numb

Answers

Answered by Gohulsundar

3

Answer:

ones digit =x

tens digit=9-x

original no.

10(9-x) +x

90-9x

reversed no.

10(x)+(9-x)

9+9x

as per question:

(90-9x) +27=9+9x

117+9=18x

126=18x

126/18=x

7=x

thus the no. is 27.

PLEASE MARK AS BRAIN LIST.

Previous Question

Next Question

Similar questions

English, 4 months ago

where does the child lie so that no. can see him?

English, 4 months ago

About delicious and nutritious food like khichuri food of Itni laksam question to your mother about it recipe try to prepare it with the help of other family members now describe how to cook it following the recipe of custard giving in your textbook. Also write down two reasons why it is a good for healthy food.

Science, 4 months ago

cytoplasm main lines ...

Math, 8 months ago

If n(U) = 40, n(A´) = 12, n(B´) = 18 and n(A ∩ B) = 20 then n(A ∪ B), where U is the universal set, is...

Social Sciences, 8 months ago

I- when did the modeun period begin in Europe? Ans- 2-where did the british officials stone their Ans- official encara 3 - where was the survey of India set un 2 Ans- 4- Nom! Yhd archaeological sources of history? Ans. century did the Buitigh begin to Colo020 5. 9n which India? ns.

Physics, 11 months ago

Why electric field lines comes from charge particle?

Physics, 11 months ago

Why vertical component of magnetic field is zero at equator?

Environmental Sciences, 11 months ago

What are the different options for processing of solid waste in India.