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Wednesday, 22 April 2026
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Mathematics Past Questions and Answers

Jamb 2015 Mathematics Questions

Question 116:
The area of a circle of radius 4cm is equal to (Take π = 3.142 )
  • A 10.3cm<sup style='font-size: smaller;'>2</sup>
  • B 15.7cm<sup style='font-size: smaller;'>2</sup>
  • C 50.3cm<sup style='font-size: smaller;'>2</sup>
  • D 17.4cm<sup style='font-size: smaller;'>2</sup>
View Answer & Explanation
Question 117:
The area of an ellipse is 132cm2.The length of its major axis is 14cm.Find the length of it minor axis
  • A 10.5cm
  • B 5cm
  • C 10cm
  • D 12cm
View Answer & Explanation
Question 118:
The volume of a cone (s) of height 6cm and base radius 5cm is
  • A 157cm<sup style='font-size: smaller;'>3</sup>
  • B 155cm<sup style='font-size: smaller;'>3</sup>
  • C 175cm<sup style='font-size: smaller;'>3</sup>
  • D 145cm<sup style='font-size: smaller;'>3</sup>
View Answer & Explanation
Question 119:
The probability of an outcome A is 1/6 . The probability of the B outcome is 1/4 . If the probability of A or B or both is 1/12 . What is the probability of both outcomes A and B?
  • A 1/2
  • B 1/3
  • C 2/5
  • D 3/4
View Answer & Explanation
Question 120:
Given that Z = {1,2,4,5} what is the power of set Z?
  • A 16
  • B 8
  • C 10
  • D 12
View Answer & Explanation