A batsman makes a score of 87 runs in the 17th inning and thus increases his avg by 3. Find his average after 17th inning. Options:
A) 24
B) 52
C) 39
D) 36
E) 85
Sol. Let the average after 17th inning = x.   Then, average after 16th inning = (x - 3).   16 (x - 3) + 87 = 17x or x = (87 - 48)= 
<gadget id="calculator">(87 - 48)</gadget>
<output>39</output>
39.   Ans: 39
<result>C</result>
A batsman makes a score of 87 runs in the 17th inning and thus increases his avg by 3. Find his average after 17th inning.