The average runs scored by Sumit in the first 3 matches is 122. In the 4th match, he scored some runs such so his average runs now become 130. In the 5th match, he scored 14 fewer runs than those in the 4th match, and now the average of his last 4 matches becomes 164. The runs scored by Sumit in the 1st match are:
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. 4.
Sum of 1st 3 matches = 122 × 3 = 366
4th match = 520 – 366 = 154
5th match = 154 – 14 = 140
Sum of 2nd, 3rd, 4th, 5th = 164 × 4 = 656
2nd + 3rd = 656 – 154 – 140 = 362
1st match = 366 – 362 = 4 runs