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Thursday, 05 March 2026
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Mathematics Past Questions and Answers

Jamb Mathematics Questions

Question 76:
The derivative of cosec x is
  • A Tan x cosec x
  • B -cot x cosec x
  • C Tan x sec x
  • D -cot x sec x
View Answer & Explanation
Question 77:
For what value of x is the tangent to the curve y = x\(^2\) - 4x + 3 parallel to the x-axis?
  • A 3
  • B 2
  • C 1
  • D 6
View Answer & Explanation
Question 78:
Two variables x and y are such that \(\frac{dy}{dx}\) = 4x - 3 and y = 5 when x = 2. Find y in terms of x
  • A 2x2 - 3x + 5
  • B 2x2 - 3x + 3
  • C 2x2 - 3x
  • D 4
View Answer & Explanation
Question 79:
Find the area bounded by the curve y = 3x\(^2\) - 2x + 1, the ordinates x = 1 and x = 3 and the x-axis.
  • A 24
  • B 22
  • C 21
  • D 20
View Answer & Explanation
Question 80:
\(\begin{array}{c|c} \text{Age in years} & 13 & 14 & 15 & 16 & 17 \\ \hline \text{No. of students} & 3 & 10 & 30 & 42 & 15\end{array}\)
The frequency distribution above shows the ages of students in a secondary school. In a pie chart constructed to represent the data, the angles corresponding to the 15 years old is
  • A 27o
  • B 30o
  • C 54o
  • D 108o
View Answer & Explanation