If '@' indicates either '+' or '×'; what will be the minimum value of '1@2@3@4@5'? (Note: We have a choice to replace each of the four @ signs in the expression by either '+' or '×' operation)

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Answer: (C) 14

Explanation

Multiplying by 1 lowers the total: 1 × 2 + 3 + 4 + 5 = 14, less than 1 + 2 + 3 + 4 + 5 = 15. Any other × increases the value, so the minimum is 14.