In a linear arrangement, P is to the left of Q and R is to the right of Q. S is sitting between P and R. Who is sitting at the extreme right?

C. R

What letter should replace the question mark in the series: z, x, v, t, ?

A. R

If the quadratic equation x² + 6x + 9 = 0 is solved, what is the relationship between its roots and coefficients?

A. ROOTS ARE EQUAL AND SUM IS -6
Posted in:  Quadratic Equations -  Algebra -  Mathematics

In a sequence of letters: A, C, E, G, ?, K, M, O, what is the missing letter?

B. H

A group of animals consists of a cat, a dog, a rabbit, and a turtle. The following conditions apply: The cat is faster than the rabbit but slower than the dog. The turtle is the slowest. Which animal is the fastest?

B. DOG