In a row of girls, if Seeta who is 10th from the left and Lina who is 9th from the right interchange their seats, Seeta becomes 15th from the left. How many girls are there in the row ?
A. 16
B. 18
C. 19
D. none
Answer: Option D
Solution (By Examveda Team)
Seeta is 10th from left and Lina is 9th from Right.If they interchanged their positioned Seeta become 15th from left. So, Seeta is gaining its position from left.
15th Positions + 8th positions = Total girls
Total Girls = 23.

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