In a row of 83 students, Krishna and Swati stand 23rd from the left and 36th from the right, respectively. How many students are standing between Krishna and Swati?

In a class of 58 students, Tanvi secured the 26th rank from the top. Anaya's rank is one position lower (worse) than Tanvi's rank. Find the number of students who secured a lower rank than Anaya.

Mr. Kell ranked 155th from the bottom and 37th from the top in his class. How many students are there in his class?