book Maths Puzzle Numerical Ability

Do the inequalities X < 4 and X^2 < 4^2 both have the same solution set? Please explain. Thanks.

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book Other Question

A truck travels at 35 km/hr for 30 min. It then travels at 90 km/hr for 45 min. Calculate the total distance that the truck has traveled. CAN YOU PLEASE SHOW ME HOW TO SOLVE THIS PROBLEM .(8+5)+2=2+(n+8)