Maths Times Infinity > Quizzes > Test

Q.1 Which of the following is *not* a polygon?

(a) hexagon

(b) square

(c) octagon

(d) ellipse

Q.2 Which of the following is *not* true?

(a) #9^2 = 81#

(b) #7^0=1#

(c) #1# is a prime

(d) the angles in a triangle add up to give #180^{\circ}#

Q.3 What is the formula for the area of a circle?

(a) $\pi^2 r$

(b) #2\pi r#

(c) #\pi r^2#

(d) #\frac{1}{2}bh#

Q.4 Which of the following is an acute angle?

(a) #240^\circ#

(b) #95^\circ#

(c) $72^\circ$

(d) #212^\circ#

Q.5 Which of the following is an even function?

(a) #6x^3#

(b) #x^2+10x#

(c) #x^4#

(d) #2x#

Q.6 What is the value of #\cos(30^\circ)#?

(a) #-\sqrt(3)/2#

(b) #1/2#

(c) #\sqrt(2)#

(d) #\sqrt(3)/2#