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