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1995 - JAMB Mathematics Past Questions and Answers - page 5

41

A die has four of it's faces coloured white and the remaining two coloured black. What is the probability that when the die is thrown two consecutive time, the top face will be white in both cases?

A
\(\frac{2}{3}\)
B
\(\frac{1}{9}\)
C
\(\frac{4}{9}\)
D
\(\frac{1}{36}\)
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42
Use the graph of the curve y = f(x)to solve the inequality f(x) \(\leq\) 0
A
-1 \(\geq\) x \(\geq\) 1, x \(\geq\) 2
B
x \(\leq\) -1, 1 \(\geq\) x \(\geq\) 2
C
x \(\geq\) -1, 1 \(\geq\) x \(\geq\) 2
D
x \(\geq\) 2, -1 \(\geq\) x \(\geq\) 1
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43
Determine the value of x in the figure
A
134o
B
81o
C
53o
D
46o
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44
PT is a tangent to the circle TYZX. YT = YX and < PTX = 50o. Calculate < TZY
A
50o
B
65o
C
85o
D
130o
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45
In the diagram, the base diameter is 14cm while the height is 12cm. Calculate the total surface area if the cylinder has both a base and a top.[\(\pi \frac{22}{7}\)]
A
836cm2
B
308cm2
C
528cm2
D
154cm2
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46
In the diagram, find PQ if the area of triangle PQr is 35cm2
A
7cm
B
10cm
C
14cm
D
17cm
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47
The mean and the range of the set of numbers 1, 20, 1.00, 0.90, 1.40, 0.80, 1.20 and 1.10 are me and r
A
1.11
B
1.65
C
1.85
D
2.45
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