1992 - JAMB Mathematics Past Questions and Answers - page 5
41
Two perfect dice are thrown together, Determine the probability of obtaining a total score of 8
A
\(\frac{1}{12}\)
B
\(\frac{5}{36}\)
C
\(\frac{1}{6}\)
D
\(\frac{7}{36}\)
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42
The probability of an event P is \(\frac{3}{4}\) while that of another event Q is \(\frac{1}{6}\). If the probability of both P and Q is \(\frac{1}{2}\). What is the probability of either P or Q.
A
\(\frac{1}{96}\)
B
\(\frac{1}{8}\)
C
\(\frac{5}{6}\)
D
\(\frac{11}{12}\)
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43
Five people are to be arranged in a row for a group photograph. How many arrangements are the if a married couple in the group insist on sitting next to each other?
A
48
B
24
C
20
D
10
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44
A student has 5 courses to take from Mathematics and physics. There are 4 courses in Mathematics and 3 in Physics which he can choose his courses so that he takes exactly two courses in Physics?
A
48
B
12
C
10
D
7
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45
A
1, 0, -4
B
-2, 2, -4
C
0, 1, -4
D
2, -2, -4
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46
A
130o
B
120o
C
75o
D
30o
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47
A
QS = PS\(\sqrt{SR}\)
B
QS = \(\sqrt{(PS SR)}\)
C
QS = 2\(\sqrt{(PS SR)}\)
D
QS = \(\frac{1}{\sqrt{2}}\)\(\sqrt{(PS SR)}\)
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48
A
9(\(\pi - 2) cm^2\)
B
18\(\pi cm^2\)
C
9\(\pi cm^2\)
D
36\(\pi cm^2\)
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49
A
10
B
10(1 - \(\frac{1}{\sqrt{3}}\))
C
10(1 - \(\frac{1}{\sqrt{2}}\))
D
10[1 - \(\sqrt{3}\)]
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