In a row at a bus stop, A is 7th from the left and B is 9th from the right. They both interchange their positions. Now A becomes 11th from the left. How many people are there in the row?

In a row at a bus stop, A is 7th from the left and B is 9th from t

1.	In a row at a bus stop, A is 7th from the left and B is 9th from the right. They both interchange their positions. Now A becomes 11th from the left. How many people are there in the row?
A.	10
B.	20
C.	19
D.	18
Answer» D. 18

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In a row at a bus stop, A is 7th from the left and B is 9th from the right. They both interchange their positions. Now A becomes 11th from the left. How many people are there in the row?

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