exam Maths Puzzle Numerical Ability

Well, there were no questions submitted for this area. I wish these questions were out of a textbook because then I would have an example that I could follow, but they are not. As

Read Solution (Total 0)

exam Other Question

can someone please help me with this problem:

Which of the following is a line perpendicular to y = 1/2x + 4 ?

a. y = 1/2x - 1/4
b. y = 2x - 4
c. y = 2x - 1/4
d. y = -2x
Use inductive reasoning to predict the next number in each sequence.

3, 7, 11, 15, _____________

1, -2, 4, -8 ________________