Consider the following question and decide whether any of the statements in the given statement are adequate to answer that question.
What is the total number of students in the class?
Statements:
1. Mr. X’s rank was 15th from the top in the class.
2. Mr. X’s rank was 26th from the bottom in the class.

Select the related word from the given alternatives:
Wheel : Spokes :: Fan : ..........

If STUDENT is coded as 103, what is the code for SCHOOL?

In the following series, one number is missing as shown by the question mark (?). Select the missing number from the given options.
8, 12, 16, 20, ?

Consider the given question and decide which of the following statements is sufficient to answer the question.
How old was X on 15 January 2017?
Statements:
1. X is 50 years older than his brother Y.
2. Y is 20 years younger than this mother.