exam Maths Puzzle Numerical Ability



Yvonne biked for 1 1/4 hours and traveled 12 1/2 miles. How many miles per hour did she average?

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exam Other Question
given: f(a)=(sqrt)a^2+3a, find a(-2)

a.-4 and 1
b. (sqrt)10
c.(sqrt)2
d. There is no real solution I have a base of 6'4" with 45 degree angles on either corner. The top is a 90 degree angle. Isoscyles triangle. What is the heigth(3'2")?