What is the H.C.F. of the polynomials 2x^2 + 4x and 4x^2 + 8x?

A. 2X

Which word comes first in alphabetical order? Dog, Cat, Elephant, Ant.

D. ANT

In a linear arrangement, A is at one end, and B is at the other end. C is sitting between A and D, while E is sitting to the right of D. Who is sitting to the left of C?

C. D

In a circular arrangement, M is sitting between N and O. P is sitting opposite M. If Q is sitting to the right of N, who is sitting to the left of O?

D. Q

If a train travels at a speed of 90 km/h, how far will it travel in 2.5 hours?

B. 225 KM