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Mathematics Past Questions and Answers

Jamb Mathematics Questions

Question 36:

Measurements of the diameters, in centimeters, in centimeters, of 20 copper spheres are distributed as shown below
\(\begin{array}{c|c} \text{Class boundary in cm} & \text{frequency} & \\\hline 3.35 - 3.45 & 3\\ 3.45 - 3.55 & 6\\ 3.55 - 3.65 & 7\\ 3.65 - 3.75 & 4\end{array}\)
What is the mean diameter of the copper spheres?

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A 3.40cm
B 3.58cm
C 3.56cm
D 3.62cm

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Question 37:

What is the volume of this regular three dimensional figure?

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A 160cm²
B 48cm²
C 120cm²
D 40cm²

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Question 38:

Using \(\bigtriangleup\)XYZ in the figure, find XYZ

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A 29^o
B 31^o
C 31^o 20'
D 31^o 18'

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Question 39:

Find the area of the shaded portion of the semicircular figure.

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A \(\frac{r^2}{4}(4 \pi - 3 \sqrt{3})\)
B \(\frac{r^2}{4}(2 \pi - 3 \sqrt{3})\)
C \(\frac{1}{2}r^2 \pi\)
D \(\frac{1}{8}r^2 \sqrt{3}\)
E \(\frac{r^2}{4}(4 \pi - 3 \sqrt{3})\)

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Question 40:

In the figure, PQRSTW is a regular hexagon. QS intersects RT at V. Calculate TVS

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A 60^o
B 90^o
C 120^o
D 30^o
E 80^o

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