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 471: What is the number whose logarithm to base 10 is 2.3482? Options:
  A) 223
  B) 2228
  C) 2.235
  D) 22.37
  E) 0.2229
  Show Answer
  The correct answer is E .
• Question 472:

  Given that $p=1+\sqrt{2}$ and $q=1-\sqrt{2},$ evaluate $\frac{(p^2-q^2)}{2pq}$.

  Options:
  A) 2(2+√2)
  B) -2(2+√2)
  C) 2√2
  D) -2√2
  Show Answer
  The correct answer is D .
• Question 473:

  The line $3y+6x$ = 48 passes through the points A(-2, k) and B(4, 8). Find the value of k.

  Options:
  A) 16
  B) 20
  C) 8
  D) -2
  Show Answer
  The correct answer is B .
• Question 474: The first and last term of a linear sequence (AP) are 6 and 10 respectively. If the sum of the sequence is 40. Find the number of terms. Options:
  A) nth = 3
  B) nth = 4
  C) nth = 5
  D) nth = 6
  Show Answer
  The correct answer is C .
• Question 475: A hollow right prism of equilateral triangular base of side 4cm is filled with water up to a certain height. If a sphere of radius $\frac{1}{2}$cm is immersed in the water, then the rise of water is Options:
  A) 1cm
  B) $\sqrt{\frac{3\pi }{24}}$
  C) $\frac{\pi }{24\sqrt{3}}$
  D) 24$\sqrt{3}$
  Show Answer
  The correct answer is C .
• Question 476:

  Calculate the value of x and y if 27^x ÷ 81^x+2y = 9, x + 4y = 0

  Options:
  A) x = 1, y = 1/2
  B) x = 2, y = – 1/2
  C) x − 0, y = 1
  D) x = 2, y = –1
  Show Answer
  The correct answer is B .
• Question 477: A group of 14 children children received the following scores in a reading test: 35, 35, 26, 26, 26, 29, 29, 29, 12, 25, 25, 25, 25, 17. What was the median score. Options:
  A) 29
  B) 26
  C) 24
  D) 25
  E) 23
  Show Answer
  The correct answer is B .
• Question 478: x₁₀ = 1214₅ find x. Options:
  A) 124
  B) 184
  C) 121
  D) 180
  Show Answer
  The correct answer is B .
• Question 479:

  Evaluate log₅($y^2{x}^5÷125b^{\frac{1}{2}})$

  Options:
  A) 2 log₅y + 5log₅ y² − 3
  B) log₅ y² + 5log₅ x + 3
  C) 25log_y 5 + 3
  D) 2log₅y + 5log₅x − ½ log₅b −3
  Show Answer
  The correct answer is D .
• Question 480: A cylinder pipe, made of metal is 3cm thick.If the internal radius of the pope is 10cm.Find the volume of metal used in making 3m of the pipe. Options:
  A) 153$\pi$cm³
  B) 207$\pi$cm³
  C) 15 300$\pi$cm³
  D) 20 700$\pi$cm³
  Show Answer
  The correct answer is D .