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 1431: The sum of the first two terms of a geometric progression is x and sum of the last terms is y. If there are n terms in all, then the common ratio is Options:
  A) $\frac{x}{y}$
  B) $\frac{y}{x}$
  C) ($\frac{x}{y}$)^{$\frac{1}{n-2}$}
  D) ($\frac{y}{x}$)^{$\frac{1}{n-2}$}
  Show Answer
  The correct answer is D .
• Question 1432: In $△$PQR, PQ = 10cm, QR = 8cm and RP = 6cm, the perpendicular RS is drawn from R to PQ. Find the length of RS Options:
  A) 4cm
  B) 32cm
  C) $\frac{30}{7}$
  D) $\frac{40}{7}$
  E) 4.8cm
  Show Answer
  The correct answer is E .
• Question 1433: Which of the following is NOT a factor of 12⁴ - 5⁴? Options:
  A) 7
  B) 13
  C) 17
  D) 49
  E) 169
  Show Answer
  The correct answer is D .
• Question 1434:

  4, 16, 30, 20, 10, 14 and 26 are represented on a pie chart. Find the sum of the angles of the bisectors representing all numbers equals to or greater than 16

  Options:
  A) 48^o
  B) 84^o
  C) 92^o
  D) 276^o
  Show Answer
  The correct answer is D .
• Question 1435: A man's initial salary is ₦540.00 a month and increases after each period of six months by ₦36.oo a month. Find his salary in the eighth month of the third year Options:
  A) ₦828.00
  B) ₦756.00
  C) ₦720.00
  D) ₦684.00
  Show Answer
  The correct answer is C .
• Question 1436:

  Simplify without using tables $\frac{2\sqrt{14}\times 3\sqrt{21}}{7\sqrt{24}\times 2\sqrt{98}}$

  Options:
  A) $\frac{3\sqrt{14}}{4}$
  B) $\frac{3\sqrt{2}}{4}$
  C) $\frac{3\sqrt{14}}{28}$
  D) $\frac{3\sqrt{2}}{28}$
  Show Answer
  The correct answer is D .
• Question 1437: If (25)^{x - 1} = 64($\frac{5}{2}$)⁶, then x has the value Options:
  A) 7
  B) 4
  C) 32
  D) 64
  E) 5
  Show Answer
  The correct answer is B .
• Question 1438: Find all values of x satisfying the inequality -11 $\le$ 4 - 3x $\le$ 28
  Options:
  A) -5 $\le$ x v 8
  B) 5 $\le$ x $\le$ 8
  C) -8 $\le$ x $\le$ 5
  D) -5 < x $\le$ 8
  Show Answer
  The correct answer is C .
• Question 1439: If 314₁₀ - 256₇ = 340_x, find x. Options:
  A) 7
  B) 8
  C) 9
  D) 10
  Show Answer
  The correct answer is A .
• Question 1440: A man wishes to keep his money in a savings deposit at 25% compound interest so that after three years he can buy a car for ₦150,000. How much does he need to deposit? Options:
  A) ₦112,000.50
  B) ₦96,000.00
  C) ₦85,714.28
  D) ₦76,800.00
  Show Answer
  The correct answer is D .