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Mathematics 2012 WAEC Past Questions

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41
The bar chart shows the frequency distribution of marks scored by students in a class test. Calculate the mean of the distribution.
  • A. 6.0
  • B. 3.0
  • C. 2.4
  • D. 1.8
View Answer & Discuss (1) WAEC 2012
42
The bar chart shows the frequency distribution of marks scored by students in a class test. What is the median of the distribution?
  • A. 2
  • B. 4
  • C. 6
  • D. 8
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43
The graph is that of y = 2x2 - 5x - 3. For what value of x will y be negative? What is the gradient of y = 2x2 - 5x - 3 at the point x = 4?
  • A. 11.1
  • B. 10.5
  • C. 10.3
  • D. 9.9
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44

In the diagram, MN//PO, < PMN = 112º, < PNO = 129º, < NOP = 37º and < MPN = yo. Find the value of y

  • A. 51o
  • B. 54o
  • C. 56o
  • D. 68o
View Answer & Discuss (7) WAEC 2012
45
The diagram is a circle with centre P. PRST are points on the circle. Find the value of < PRS
  • A. 144o
  • B. 72o
  • C. 40o
  • D. 36o
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