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Fruit Crossword

Fruit Crossword

Can you solve this problem as quickly as Einstein?

Solution

We represent the orange with the letter n, the banana with the p, the cherries with the c and the melon with the m.

i) 4 x n = 28
ii) 2 x n + 2 x p = 30
iii) p + c + m + n = 20
iv) 2 m + c + p = 16

From i) we get that n = 7, from ii) that p = 8 and from iii) and iv) that m = 3 and c = 2.

Then the sum of the unknown column is worth 25.