Choose a word similar to the group: Calm, Peaceful, Tranquil.

C. SERENE

Four friends - A, B, C, and D - are sitting in a row. A is to the left of B but not next to C. D is sitting next to C. Who is sitting in the middle?

B. B

A person walks 5 km at a speed of 4 km/h and then runs 10 km at a speed of 10 km/h. What is the total time taken for the journey?

B. 3 HOURS

If A + B means A is the brother of B, A - B means A is the sister of B, and A × B means A is the mother of B, what is the relation of C if A + B × C?

B. C IS A'S DAUGHTER

Five people - P, Q, R, S, and T - are wearing different colored shirts: Red, Blue, Green, Yellow, and Black. P is wearing Red. Q is not wearing Blue or Green. R is wearing Yellow. S is wearing Black. What color shirt is T wearing?

C. GREEN