In a certain code, the word 'DOG' is coded as '47-15-7'. What would be the code for 'CAT'?

A. 31-1-20

Find the odd one out in this set of numbers.

C. 22

If 'BAT' is coded as 2-1-20, what is the code for 'RAT'?

A. 18-1-20

If the code for 'HELLO' is '8-5-12-12-15', what is the code for 'WORLD'?

A. 23-15-18-12-4

Five students, P, Q, R, S, and T, scored different marks in an exam: 85, 90, 75, 80, and 95. P scored more than Q but less than R. S scored 80 marks. T scored the highest. Who scored 75 marks?

B. Q