In a row of 60 students, Meena is 25th from the left end and Rupa is 20th from the right end. How many students are there between them?

Kartik ranked 19th from the top and 54th from the bottom in his class. How many students are there in his class?

Mr. Hepa ranked 22nd from the bottom and 57th from the top in his class. How many students are there in his class?