Five friends, P, Q, R, S, and T, are sitting in a row. P is to the left of Q but to the right of R. S is to the right of T. Who is sitting in the middle?

A. P

PEN is to WRITE as BRUSH is to ?

B. PAINT

If P - Q means P is the sister of Q, Q + R means Q is the mother of R, and R * S means R is the son of S, what is the relationship of P to S?

B. AUNT

There are four animals: a dog, a cat, a rabbit, and a turtle. The dog is faster than the cat but slower than the rabbit. The turtle is the slowest of all. Which animal is the fastest?

C. RABBIT

If the word 'CAT' is coded as 3120, what is the code for the word 'DOG'?

A. 4157