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30 pineapple trees, 45 orange tree and 60 mango trees have to be planted in rows such that each row contains the same number of trees of one variety only. What is minimum number number of row in which the trees may be planted ?
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- 10
- 15
- 25
- 9
Correct Option: D
Minimum number of rows = Maximum number of trees in each row
= HCF of 30,45 and 60 = 15
∴ Number of rows = (30 + 45 + 60)/15 = 9
