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Mathematics 1986 JAMB Past Questions

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41
The table below gives the scores of a group of students in a Mathematical test.
\(\begin{array}{c|c} Scores & 1 & 2 & 3 & 4 & 5 & 6 & 7 & 8 \\ \hline Frequency & 2 & 4 & 7 & 14 & 12 & 6 & 4 & 1\end{array}\)
If the mode in m and the number of students who scored 4 or less is s. What is (s, m)?
  • A. (27, 4)
  • B. (14,4)
  • C. (13,4)
  • D. (4,4)
View Answer & Discuss (1) JAMB 1986
42
In the diagram, PQ and RS are chords of a circle centre O which meet at T outside the circle. If TP = 24cm. TQ = 8cm and TS = 12cm, find TR.
  • A. 16cm
  • B. 14cm
  • C. 12cm
  • D. 8cm
View Answer & Discuss (6) JAMB 1986
43
The figure is a solid with the trapezium PQRS as its uniform cross-section. Find its volume
  • A. 120m2
  • B. 576m3
  • C. 816m3
  • D. 1056m3
View Answer & Discuss (3) JAMB 1986
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44
PQ and PR are tangents from P to a circle centre O as shown in the figure. If QRP = 34o, find the angle marked x
  • A. 34o
  • B. 56o
  • C. 68o
  • D. 112o
View Answer & Discuss (9) JAMB 1986
45

In the figure, \(\bigtriangleup\)PQT is isosceles. PQ = QT, SRQ = 35o, TPQ = 20o and PQR is a straight line.Calculate TSR

  • A. 20o
  • B. 55o
  • C. 75o
  • D. 140o
View Answer & Discuss (3) JAMB 1986
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