Mathematics 1983 JAMB Past Questions

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Find the angle of the sectors representing each item in pie chart of the following data 6, 10, 14, 16, 26

A. 15^o, 25^o, 35^o, 40^o, 65^o
B. 60^o, 100^o, 140^o, 160^o, 260^o
C. 6^o, 10^o, 14^o, 16^o, 26^o
D. 30^o, 50^o, 70^o, 80^o, 130^o
E. none of the above

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The scores of 16 students in a Mathematics test are 65, 65, 55, 60, 60, 65, 60, 70, 75, 70, 65, 70, 60, 65, 65, 70. What is the sum of the median and modal scores?

A. 125
B. 130
C. 140
D. 150
E. 137.5

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The letters of the word MATRICULATION are cut and put into a box. One letter is drawn at random from the box. Find the probability of drawing a vowel

A. \(\frac{7}{13}\)
B. \(\frac{5}{13}\)
C. \(\frac{6}{13}\)
D. \(\frac{8}{13}\)
E. \(\frac{4}{13}\)

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Correct each of the numbers 59.81798 and 0.0746829 to three significant figures and multiply them, giving your answer to three significant figures

A. 4.46
B. 4.48
C. 4.47
D. 4.49
E. 4.50

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If a rod of length 250cm is measured as 255cm long in error, what is the percentage error in the measurement?

A. 55
B. 10
C. 5
D. 4
E. 2

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Mathematics 1983 JAMB Past Questions

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