21 mango trees, 42 apple trees and 56 orange trees have to be planted in rows such that each row contains the same number of trees of one variety only. Minimum number of rows in which the trees may be planted is

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Solution

The correct option is B 17
H.C.F of 21, 42, 56 = 7
So, Number of rows = $\frac{119}{7} = 17$

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21 mango trees, 42 apple trees and 56 orange trees have to be planted in rows such that each row contains the same number of trees of one variety only. Minimum number of rows in which the trees may be planted is

The correct option is B 17H.C.F of 21, 42, 56 = 7 So, Number of rows =1197=17

The correct option is B 17
H.C.F of 21, 42, 56 = 7
So, Number of rows = $\frac{119}{7} = 17$