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 1861:

  

  In the diagram, QTR is a straight line and < PQT = 30${}^{\circ }$. find the sin of < PTR

  Options:
  A) $\frac{8}{15}$
  B) $\frac{2}{3}$
  C) $\frac{3}{4}$
  D) $\frac{15}{16}$
  Show Answer
  The correct answer is C .
• Question 1862: If log₁₀2 = 0.3010 and log₁₀7 = 0.8451, evaluate log₁₀280 Options:
  A) 3.4471
  B) 2.4471
  C) 1.4471
  D) 1.4071
  Show Answer
  The correct answer is B .
• Question 1863: W $\alpha$ L² and W = 6 when L = 4. If L = $\sqrt{17}$, find W. Options:
  A) 6$\frac{3}{8}$
  B) $\frac{7}{8}$
  C) $\frac{1}{8}$
  D) $\frac{5}{8}$
  Show Answer
  The correct answer is A .
• Question 1864:

  

  In the diagram P, Q, R, S are points on the circle RQS = 30^o. PRS = 50^o and PSQ = 20^o. What is the value of x^o + y^o?

  Options:
  A) 260^o
  B) 130^o
  C) 100^o
  D) 80^o
  Show Answer
  The correct answer is B .
• Question 1865: In triangle XYZ, ∠XYZ = 15${}^{\circ }$, ∠XZY = 45${}^{\circ }$ and lXYl = 7 cm. Find lYZl. Options:
  A) 14√2 cm
  B) $7\left(\frac{\sqrt{6}}{2}\right)$
  C) 7√2 cm
  D) 7 cm
  Show Answer
  The correct answer is B .
• Question 1866: The mean of a set of six numbers is 60. If the mean of the first five is 50, find the sixth number in the set. Options:
  A) 105
  B) 100
  C) 95
  D) 110
  Show Answer
  The correct answer is D .
• Question 1867: A student sitting on a tower 68 metres high observes his principal's car at the angle of depression of 20^o. How far is the car from the bottom of the tower to the nearest metre? Options:
  A) 184m
  B) 185m
  C) 186m
  D) 187m
  Show Answer
  The correct answer is D .
• Question 1868: If log₁₀4 = 0.6021, evaluate log₁₀4^1/3 Options:
  A) 0.3011
  B) 0.9021
  C) 1.8063
  D) 0.2007
  Show Answer
  The correct answer is D .
• Question 1869: In a school, there are 35 students in Class 2A and 40 in class 2B. The mean score for class 2A in an English literature examination is 60.0 and that for 2B in the same paper is 52.5. Find to one place of decimals, the mean for the combined classes. Options:
  A) 1.5
  B) 56.0
  C) 56.2
  D) 56.3
  E) 56.5
  Show Answer
  The correct answer is B .
• Question 1870: Given that log_a2 = 0.693 and log_a3 = 1.097, find log_a 13.5 Options:
  A) 1.404
  B) 1.790
  C) 2.598
  D) 2.790
  Show Answer
  The correct answer is C .