In a row of trees , if a tree is 7th from the left side and 14th to the right side. Then how many trees are there in the line?

A. 18

B. 19

C. 20

D. 21


The number of Trees in a Row

The total trees a row contains
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
If we count the above row, we will come to know that

7 is the position of the left side

And 7 is also a position of 14th from the right side, thus there will 20


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