The Tens digit of a two digit number is 4 times of its unit digit and the sum of the digits be 10. Then the first number is	Choose the correct choice from the following:
A) 67	B) 73	C) 53	D) 82	E) 89
Let the number be 10x + y   According to the question   x = 4y   x + y = 10   4y + y = 10   or y = 2   and x = 8   So required number is = 10*8 + 2= 
<gadget id="calculator">10*8 + 2</gadget>
<output>82</output>
82   answer :82
<result>D</result>
The Tens digit of a two digit number is 4 times of its unit digit and the sum of the digits be 10. Then the first number is