Using the same coding system, what is the coded form of the word 'DOG'?

A. 4-15-7

If A is the brother of B, and B is the sister of C, what is the relationship of A to C?

A. BROTHER

Identify the word that can be formed by adding a prefix to the root word 'ACT'.

A. REACT

If X is the daughter of Y, and Y is the sister of Z, what is the relationship of X to Z?

A. NIECE

Which of the following is NOT a valid word formed from the root 'FORM'?

D. DEFORMITY