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Mathematics JAMB Past Questions

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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
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556
The radius of a circle is increasing at the rate of 0.02cms-1. Find the rate at which the area is increasing when the radius of the circle is 7cm.
  • A. 0.75cm2S-1
  • B. 0.53cm2S-1
  • C. 0.35cm2S-1
  • D. 0.88cm2S-1
View Answer & Discuss (4) JAMB 2013
557
Find the mean of t + 2, 2t - 4, 3t + 2 and 2t.
  • A. t + 1
  • B. 2t
  • C. 2t + 1
  • D. t
View Answer & Discuss (4) JAMB 2013
558
The mean of seven numbers is 10. If six of the numbers are 2, 4, 8, 14, 16 and 18, find the mode.
  • A. 6
  • B. 8
  • C. 14
  • D. 2
View Answer & Discuss (2) JAMB 2013
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
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559
Age 20 25 30 35 40 45
No of people 3 5 1 1 2 3

Calculate the median age of the frequency distribution in the table above

  • A. 25
  • B. 30
  • C. 35
  • D. 20
View Answer & Discuss (10) JAMB 2013
560
If the variance of 3+x, 6, 4, x and 7-x is 4 and the mean is 5, find the standard deviation
  • A. \(\sqrt{3}\)
  • B. 2
  • C. 3
  • D. \(\sqrt{2}\)
View Answer & Discuss (4) JAMB 2013
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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
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