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⇒ x : y = 3 : 2 = 9 : 6 ⇒ y : z = 3 : 2 = 6 : 4 ⇒ x : y : z = 9 : 6 : 4 Since total runs scored by Rohit, Shreyas and Virat = 646 ⇒ 9a + 6a + 4a = 646 ⇒ 19a = 646 ⇒ a = 646/19 = 34 Hence, Runs scored by Shreyas = 34 × 6 = 204
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