The remainder obtained by the division of two numbers by a common divisor are 33 and 47 respectively. However when the sum of these two numbers is divided by the same divisor, the remainder obtained is only 30. What is the divisor?	Choose the correct choice.
A) 20
B) 30
C) 40
D) 50
E) 65
Remainders are 33 &amp; 47. So directly rule out the possibility of the divisor being 20, 30 &amp; 40   Option A, B, C ruled out   Consider option 50 - 50   50+33= 
<gadget id="calculator">50+33</gadget>
<output>83</output>
83 &amp; 50+47= 
<gadget id="calculator">50+47</gadget>
<output>97</output>
97   83+97= 
<gadget id="calculator">83+97</gadget>
<output>180</output>
180   180/50 gives remainder= 30   Answer = 50
<result>D</result>
The remainder obtained by the division of two numbers by a common divisor are 33 and 47 respectively. However when the sum of these two numbers is divided by the same divisor, the remainder obtained is only 30. What is the divisor?