Among the players mentioned, who can have the lowest R-index from the tournament?
Explanation:
If y2 < 40, then Y’s R-index = 87 − y2 > 47; i.e. 47 < Y’s R-index ≤ 87
If y2 > 40, then Y’s R-index = 87 – 40 = 47
∴ 47 ≤ Y’s R-index ≤ 87
Similarly,
23 ≤ K’s R-index ≤ 51
33 ≤ R’s R-index ≤ 55 (∵ r1, s1 < 28 and r1 + s1 ≤ 22)
53 ≤ S’s R-index ≤ 75 (∵ r1, s1 < 28 and r1 + s1 ≤ 22) 82 ≤ V’s R-index ≤ 130 (∵ v3, k3 < 50, v3 + k3 ≤ 48)
∴ Any one of Y, K or R could have the lowest R-index.
Hence, option (a).
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