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 1161:

  

  FG is a given straight line and H is a fixed point. The construction marks shown in the diagram indicate the

  Options:
  A) perpendicular bisector of the line
  B) perpendicular bisector of th eline JK
  C) perpendicular bisector of the line HI
  D) perpendicular from H to the line FG
  Show Answer
  The correct answer is D .
• Question 1162:

  The angle of elevation of the top of a tree from a point on the ground 60m away from the foot of the tree is 78°. Find the height of the tree correct to the nearest whole number.

  Options:
  A) 148m
  B) 382m
  C) 282m
  D) 248m
  Show Answer
  The correct answer is C .
• Question 1163: Make Q the subject of formula when $L=\frac{4}{3}M\sqrt{PQ}$ Options:
  A) $\frac{9L^2}{16M^2}P$
  B) $\frac{3L}{4M\sqrt{P}}$
  C) $\frac{\sqrt{3L}}{4MP}$
  D) $\frac{3L^2}{16M^2}P$
  Show Answer
  The correct answer is A .
• Question 1164:

  Simplify and express in standard form $\frac{0.00275\times 0.00640}{0.025\times 0.08}$

  Options:
  A) 8.8 x 10^-1
  B) 8.8 x 10^-2
  C) 8.8 x 10^-3
  D) 8.8 x 10³
  Show Answer
  The correct answer is C .
• Question 1165:

  Find the 19th term of the A.P. $\frac{5}{6}$, $\frac{8}{6}$, $\frac{11}{6}$.................

  Options:
  A) 7$\frac{1}{2}$
  B) 9
  C) 9$\frac{1}{2}$
  D) 9$\frac{5}{6}$
  E) 10
  Show Answer
  The correct answer is D .
• Question 1166: Calculate the range of 20, -6, 25, 30, 21, 28, 32, 33, 34, 5, 3, 2, and 1. Options:
  A) 32
  B) 36
  C) 33
  D) 40
  Show Answer
  The correct answer is D .
• Question 1167:

  A binary operation Δ is defined by a Δ b = a + 3b + 2.

  Find (3 Δ 2) Δ 5

  Options:
  A) 35
  B) 59
  C) 28
  D) 87
  Show Answer
  The correct answer is C .
• Question 1168: Evaluate x²(x² - 1)^{-$\frac{1}{2}$} - (x² - 1)^{$\frac{1}{2}$} Options:
  A) (x² - 1)^{-$\frac{1}{2}$}
  B) (x² - 1)¹
  C) (x² - 1)
  D) (x² - 1)^-1
  Show Answer
  The correct answer is A .
• Question 1169: if a = -3, b = 2, c = 4, evaluate $\frac{a^3-b^3-c^{\frac{1}{2}}}{b-a-c}$ Options:
  A) 37
  B) $\frac{-37}{5}$
  C) $\frac{37}{5}$
  D) -37
  Show Answer
  The correct answer is A .
• Question 1170: Find the median of the set set of numbers 110, 116, 113, 119, 118, 127, 118, 117, 113 Options:
  A) 117.5
  B) 118
  C) 117
  D) 116
  E) 113
  Show Answer
  The correct answer is C .