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Q.

A forester wants to plant 66 apple trees, 88 banana trees, 110 mango trees in equal rows. Find the number of minimum rows required.


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a

12

b

14

c

16

d

18 

answer is A.

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Detailed Solution

Concept- Highest common factor.
We have 66 apple trees, 88 banana trees, 110 mango trees.
Take GCF of 66, 88, 110 we have
Question ImageCommon factor in 66, 88, 110 is Question Image which is equal to 22 = HCF
And we know total number of trees = 66 + 88 + 110 = 264
So, minimum rows Question ImageHence, the correct answer is option 1.
 
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