In a row of a picture hall where all are facing north, Khalid is 25th from the left end and Kapil is 29th from the right end. They intercha…

In a row of a picture hall where all are facing north, Khalid is 25th from the left end and Kapil is 29th from the right end. They interchange their seats, and Sham who is sitting 34th from the left end is sitting at the 5th place to the left of Khalid’s new position. How many persons are there in one row of the picture hall?