book Maths Puzzle Numerical Ability

Solve for X

X^2(2x-5)^2+x(5-2x)^3

Possible answers:

a. -13
b. -13/2
c. 13/2
d. 13

Read Solution (Total 0)

book Other Question

(a) If we roll two fair dice, what is the probability that a total of nine shows?
(b) if we toss four fair coins, what is the probability that we get exactly two heads? A motorboat goes 5 miles upstream in the same time it requires to go 7 miles downstream. The river flows at 2 miles per hours. What is the speed of the boat in still water?