Mathematics Exam Past Questions and Answers | JAMB, WAEC and NECO

Mathematics looks at measurement, relationships, and properties of numbers and groups using numbers and symbols. Important topics in math include arithmetic, algebra, geometry, and calculus.

• Question 1181: A chord is drawn 5 cm away from the centre of a circle of radius 13 cm. Calculate the length of the chord. Options:
  A) 7 cm
  B) 9 cm
  C) 12 cm
  D) 24 cm
  Show Answer
  The correct answer is C .
• Question 1182: Find the angle of the sectors representing each item in pie chart of the following data 6, 10, 14, 16, 26 Options:
  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
  Show Answer
  The correct answer is D .
• Question 1183: The ages of Tosan and Isa differ by 6 and the product of their ages is 187. Write their ages in the form (x, y), where x > y. Options:
  A) (12, 6)
  B) (23, 17)
  C) (17, 11)
  D) (18, 12)
  Show Answer
  The correct answer is C .
• Question 1184: Convert 241 in base 5 to base 8, Options:
  A) 71₈
  B) 107₈
  C) 176₈
  D) 241₈
  Show Answer
  The correct answer is B .
• Question 1185: If y = 3t³ + 2t² - 7t + 3, find $\frac{dy}{dt}$ at t = -1 Options:
  A) -1
  B) 1
  C) -2
  D) 2
  Show Answer
  The correct answer is C .
• Question 1186: If f(x - 4) = x² + 2x + 3, Find, f(2) Options:
  A) 6
  B) 11
  C) 27
  D) 51
  Show Answer
  The correct answer is D .
• Question 1187: Evaluate ∫${}_2^{\pi }$(sec² x - tan²x)dx Options:
  A) $\frac{\pi }{2}$
  B) $\pi$ - 2
  C) $\frac{\pi }{3}$
  D) $\pi$ + 2
  Show Answer
  The correct answer is B .
• Question 1188: If (IPO3)4 = 115₁₀ find P Options:
  A) o
  B) 1
  C) 2
  D) 3
  Show Answer
  The correct answer is D .
• Question 1189: Calculate the time taken for ₦3000 to earn ₦600 if invested at 8% simple interest Options:
  A) 2$\frac{1}{2}$ years
  B) 3 years
  C) 3$\frac{1}{2}$ years
  D) 1$\frac{1}{2}$ years
  Show Answer
  The correct answer is A .
• Question 1190: A flagstaff stands on the top of a vertical tower. A man standing 60 m away from the tower observes that the angles of elevation of the top and bottom of the flagstaff are 64^o and 62^o respectively. Find the length of the flagstaff. Options:
  A) 60 (tan 62^o - tan 64^o)
  B) 60 (cot 64^o - cot 62^o)
  C) 60 (cot 62^o - cot 64^o)
  D) 60 (tan 64^o - tan 62^o)
  Show Answer
  The correct answer is D .