SOLUTION: A is 7th from the left, B is 9th from the right, if they exchange A is 11th from the left. The total number of persons is?

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Question 2512: A is 7th from the left, B is 9th from the right, if they exchange A is 11th from the left. The total number of persons is?
Found 2 solutions by borzeya, kiru_khandelwal:
Answer by borzeya(6) About Me  (Show Source):
Answer by kiru_khandelwal(79) About Me  (Show Source):
You can put this solution on YOUR website!
A is at 7th position from left and B is at 9th
This implies that after B there are 8 persons on his right
If positions are exchanged then A will be at 11th from left.....
so Total number of persons will be 11 + 8(which were on right of B) = 19