Question

sum two digits is 9 if 27 is added to it the digits of no get reversed the no is

Answer 1

Step-by-step explanation:

If The nth term of an 2n2 + 1 then its 5th Term is

Answer 2

Answer:

36

Step-by-step explanation:

Let two digits be x and 9 - x

Original no.

= 10x + 9 - x (consider the units and tens place)

= 9x + 9

Reversed no.

= 10(9 - x) + x

= 90 - 10x + x

= 90 - 9x

Reversed no. = Original no. + 27

90 - 9x = 9x + 9 + 27

18x = 90 - 36

x = 54/18

x = 3

Original no.

= 9x + 9

= 9*3 + 9

= 27 + 9

= 36

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