Five friends P, Q, R, S, and T are sitting in a row. R is sitting between Q and S. T is sitting at one of the ends. Who is sitting to the immediate left of R?

B. Q

If the word 'HELLO' is coded as '851212', what would be the code for 'WORLD'?

C. 231218

Which pair of words is different from the rest?

D. CAT - JUMP

What are the roots of the quadratic equation x^2 - 5x + 6 = 0?

A. 2 AND 3
Posted in:  Quadratic Equations -  Algebra -  Mathematics

If X + Y means X is the daughter of Y, X - Y means X is the son of Y, and X × Y means X is the uncle of Y, what is the relation of Z if X + Y - Z?

B. Z IS X'S FATHER