Question

1. The average of the digits of a two digit number is 5. If 13 is subtracted from three times
of the number, then the difference is twice the square of the unit's digit. The number is :

(b) 46
(4) 37.
(a) 28
(c) 73​

Answer 1

Answer:

46 23, 37- 46, 28-56, 73- 78.