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
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0
Answer:
46 23, 37- 46, 28-56, 73- 78.
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