book Maths Puzzle Numerical Ability

What is 0.47 rounded to the nearest tenth?

Read Solution (Total 0)

book Other Question

How do you figure out that a angle is supplementary? How would I solve the inequality for the equation x - 1/x^2 < 0? I came up with the answer of (0,1). Would this be the correct answer or show me how to work for the correct answer.