Complete analogous pair - Wool : Sheep : : Mohair : ?

B. GOAT

Choose analogous pair - Necessity : Invention

A. CURIOSITY : KNOWLEDGE

In following number series, two terms have been put within brackets. Choose the appropriate option - Find the wrong number in the series :7, 28, 63, 124, 215, 342, 511

B. 28

In following question, a number series is given with one term missing. Choose the correct alternative that will same pattern and fill in the blank spaces. - 3, 4, 7, 7, 13, 13, 21, 22, 31, 44,

B. 43

A + B means A is the son of B;
A - B means A is the wife of B;
A x B means A is the brother of B;
A ÷ B means A is the mother of B; and
A = B means A is the sister of B.
What does P + R - Q mean ?

A. Q IS THE FATHER OF P.