A Batsman Makes a Score of 87 Runs in the 17th Match and Thus Increases GMAT Problem Solving

Question: A batsman makes a score of 87 runs in the 17th match and thus increases his average by 3. Find his average after 17th match

1. 35
2. 39
3. 46
4. 54
5. 55

“A batsman makes a score of 87 runs in the 17th match and thus increases”- is a topic of the GMAT Quantitative reasoning section of GMAT. To solve GMAT Problem Solving questions a student must have knowledge about a good amount of qualitative skills. The GMAT Quant topic in the problem-solving part requires calculative mathematical problems that should be solved with proper mathematical knowledge.

Solution and Explanation:
Approach Solution 1:
This problem has only 1 approach solution.
let the average of 16 matches be x.
16x + 87 = Total of 17 matches.
On the other hand, (x+3)17 is also the total of 17 matches.
16x + 87 = ( x + 3) 17
16x + 87 = 17x + 51
x = 36.

Now we are looking for the average after 17 matches.
36 + 3 = 39.

Correct Answer: B

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