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Whose body weight is scored highest among the five boys Arun, Vinay, suraj, Raju and Pratap? I. Average weight of Arun, Suraj and Vinay is 68 kg and average weight of Raju and Pratap is 72 kg. Also, Suraj is 78 kg, Raju is 68 kg and Vinay is 46 kg. II. Average weight of Arun, Surai, Vinay and Raju is 68 kg and also Suraj is 78 kg, Raju is 68 kg and Vinay is 46 kg. All of them have different weight.

Correct Answer: If the data in either Statement I alone or in Statement II alone are sufficient to answer the question

Explanation:

From Statement I,
Total weight of Arun, Suraj and Vinay = 3 x Average weight = 3 x 68 kg
∴ Arun's weight = 3 x 68 - (78 + 46) = 80 kg
Now, total weight of Raju and Pradeep = 2 x 72 = 144 kg
∴ Pratap's weight = 144 - 68 = 76 kg
∴ Second highest weight = 78 kg
(Suraj's weight)
From statement II,
Total weight of Arun, Suraj, Vinay and Raju = 4 x 68 = 272 kg
∴ Arun's weight = 272 - (78 + 68 + 46)
∴ Arun's weight = 272 - 192 = 80 kg
∴ Second highest weight = 78 kg (Suraj's weight)


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