X is 5th from right end and Y is 15th from left end. If they interchange their places, Y becomes 24th from left end. Then what is the number of students?
🎥 Video solution / Text Solution of this question is given below:
After interchange, Y is 24th from left.
Original position of X = 24
Total students
$= 24 + 5 − 1 = 28$