book Maths Puzzle Numerical Ability

Find the zeros of this equation- x^3+2x^2-33x-90
one of the zeros is -5

Read Solution (Total 0)

book Other Question

an airplane took 2 hours to fly 600km against a head wind. the return trip with the wind took 1 2/3 hours. find the speed of the plain in still air. What are the divisibilty rules to the numbers 13,14,15,16,17,18,19 and 20?