In a row, Ankit is 12th from the left and Sonam is 15th from the right. After they interchange their positions, Ankit becomes 18th from the left. What is the total number of persons in the row?
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3 i.e. 32.
In a row, Ankit is 12th from the left and Sonam is 15th from the right. After they interchange their positions,
Thus, the total number of persons in the row = Ankit's new position + Sonam's old position - 1
= 18 + 15 - 1 = 33 - 1 = 32