A batsman makes a score of 87 runs in the 17th inning and thus increases his average by 3. Find his average after 17th inning. Choose the correct option
A) 26	B) 39	C) 42	D) 56	E) 82
Let the average after 17th inning = x   Then, average after 16th inning = x-3   16(x-3)+87 = 17x   x = 87-48= 
<gadget id="calculator">87-48</gadget>
<output>39</output>
39   Answer is 39
<result>B</result>
A batsman makes a score of 87 runs in the 17th inning and thus increases his average by 3. Find his average after 17th inning.