Input: '5 3 9 1 7'. What is the output after sorting the numbers in descending order?

A. 9 7 5 3 1

In a family of six members P, Q, R, S, T, and U, there are two males and four females. P is a teacher and is married to Q. R is the son of P. S is the sister of R. T is the mother of U. Who is U's father?

A. P

Teacher is to School as Doctor is to ?

A. HOSPITAL

In the series: 2, 4, 8, 16, ?, 64. What is the missing number?

B. 32

In a coding system, 'FISH' is represented as '6148'. If 'S' is coded as 19, what is the code for 'HIS' using the same coding system?

A. 81919