​In a group of four people, A is older than B, D is younger than B and C is older than D but younger than B. Who is the youngest among all? ​

Varun ranked 24th from the top and 47th from the bottom in his class. How many students are there in his class?

In a row of people all facing North, Alok is 12th from the right end. Pyush is 18th from the right end. Pyush is exactly between Alok and Priyanka. If Priyanka is 5th from the left end of the line, how many people are there in the row?

In a row of 54 people facing north, Geeta sits 19th from the left end. If only 19 people sit between Barun and Geeta, then what is Barun’s position from the right end of the line?

In a row of 40 people facing north, Rina is 8th from the right end. If Tara sits 6th to the left of Rina, what is Tara’s position from the left end of the row?

Gudiya stands 15th from the left and 18th from the right in a straight line facing north. How many students are there in that straight line?

Pranay ranked 14th from the top and 44th from the bottom in his class. How many students are there in his class?

Nikhil ranked 18th from the top and 36th from the bottom in his class. How many students are there in his class?

Niku ranked 24th from the top and 13th from the bottom in his class. How many students are there in his class?

Prashant ranked 11th from the bottom and 23th from the top in his class. How many students are there in his class?

In a row of 49 students facing north, Ankur is 19th from the right end. If Tinu is 11th to the left of Ankur, what is Tinu's position from the left end of the line?