Question

A number consist of 2 digit ,whose sum is 15 . If 3 is subtract from it ,the digit are revesed find the number

Answer 1

so the numbers may be :-
96
69
87
78
as their sum is 15

henice the number is 69. as

69-3 = 66

when it is reversed it comes the answer after subtraction.

Answer 2

Answer:

Step-by-step explanation:Let the digit at tens place be x

And the digital at ones place be y

Thus the no. Is 10x+y

Reversed order is 10y +x

A/Q

X+y = 15

X= 15 -y

And 10x+y -3 = 10y + x

9x - 9y =3

3x - 3y = 1

3 (15 - y) - 3y = 1

y=22/3

X = 23/3

No. = 10×23/3 + 22/3

= (230+22)÷3

= 252÷3

=84

Answer. No. Is 84