Question 1 of 20 47 total questions
If the angle of a sector of a circle with radius 10.5 cm is 120°, find the perimeter of the sector. [Take \(\pi = \frac{22}{7}\)]
A 48 cm
B 40 cm
C 43 cm
D 45 cm
The pie chart above shows the monthly distribution of a man's salary on food items. If he spent N8,000 on rice, how much did he spent on yam?
A N42,000
B N18,000
C N16,000
D N12,000
in the figure above, what is the equation of the line that passes the y-axis at (0,5) and passes the x-axis at (5,0)?
A y = x + 5
B y = -x + 5
C y = x - 5
D y = -x - 5
Find the value of x in the figure above
A 20\(\sqrt{3}\)cm
B 10\(\sqrt{3}\)cm
C 5\(\sqrt{3}\)cm
D 4\(\sqrt{3}\)cm
From the figure above, what is the value of p?
In the figure above, KL//NM, LN bisects < KNM. If angles KLN is 54o and angle MKN is 35o , calculate the size of angle KMN.
From the venn diagram above, the shaded parts represent
A (P\(\cap\)Q)\(\cup\)(P\(\cap\)R)
B (P\(\cup\)Q)\(\cap\)(P\(\cap\)R)
C (P\(\cup\)Q)\(\cup\)(P\(\cup\)R)
D (P\(\cap\)Q)\(\cup\)(P\(\cup\)R)
A number is chosen at random from 10 to 30 both inclusive. What is the probability that the number is divisible by 3?
A \(\frac{2}{15}\)
B \(\frac{1}{10}\)
C \(\frac{1}{3}\)
D \(\frac{2}{5}\)
\(\begin{array}{c|c}
A \(\frac{1}{5}\)
B \(\frac{1}{2}\)
C \(\frac{2}{5}\)
D \(\frac{3}{4}\)
In how many ways can a team of 3 girls be selected from 7 girls?
A \(\frac{7!}{3!}\)
B \(\frac{7!}{4!}\)
C \(\frac{7!}{3!4!}\)
D \(\frac{7!}{2!5!}\)
Find the standard deviation of 5, 4, 3, 2, 1
A \(\sqrt{2}\)
B \(\sqrt{3}\)
C \(\sqrt{6}\)
D \(\sqrt{10}\)
Find the median of 5,9,1,10,3,8,9,2,4,5,5,5,7,3 and 6
\(\begin{array}{c|c}
The mean of 2 - t, 4 + t, 3 - 2t, 2 + t and t - 1 is
Evaluate \(\int (2x + 3)^{\frac{1}{2}} \delta x\)
A \(\frac{1}{12} (2x + 3)^6 + k\)
B \(\frac{1}{3} (2x + 3)^{\frac{1}{2}} + k\)
C \(\frac{1}{3} (2x + 3)^{\frac{3}{2}} + k\)
D \(\frac{1}{12} (2x + 3)^{\frac{3}{4}} + k\)
Evaluate \(\int \sin 2x dx\)
A cos 2x + k
B \(\frac{1}{2}\)cos 2x + k
C \(-\frac{1}{2}\)cos 2x + k
D -cos 2x + k
Find the minimum value of y = x2 - 2x - 3
If y = cos 3x, find \(\frac{\delta y}{\delta x}\)
A \(\frac{1}{3} \sin 3x\)
B \(-\frac{1}{3} \sin 3x\)
C 3 sin 3x
D -3 sin 3x
If y = 4x3 - 2x2 + x, find \(\frac{\delta y}{\delta x}\)
A 8x2 - 2x + 1
B 8x2 - 4x + 1
C 12x2 - 2x + 1
D 12x2 - 4x + 1
If \(\sin\theta = \frac{12}{13}\), find the value of \(1 + \cos\theta\)
A \(\frac{25}{13}\)
B \(\frac{18}{13}\)
C \(\frac{8}{13}\)
D \(\frac{5}{13}\)
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