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 1121: In a geometric progression, the first term is 153 and the sixth term is $\frac{17}{27}$. The sum of the first four terms is Options:
  A) $\frac{860}{3}$
  B) $\frac{680}{3}$
  C) $\frac{608}{3}$
  D) $\frac{680}{3}$
  Show Answer
  The correct answer is B .
• Question 1122: Evaluate 5^-3log₅2 x 2^2log₂3 Options:
  A) 8
  B) 1¹/₈
  C) ²/₅
  D) ¹/₈
  Show Answer
  The correct answer is B .
• Question 1123: Find the mean deviation of 20, 25, 21, 27, 28, 29, to the nearest whole number Options:
  A) 2
  B) 3
  C) 4
  D) 5
  E) 6
  Show Answer
  The correct answer is B .
• Question 1124: Find the mean deviation of 20, 25, 21, 27, 28, 29, to the nearest whole number Options:
  A) 2
  B) 3
  C) 4
  D) 5
  E) 6
  Show Answer
  The correct answer is B .
• Question 1125: Simplify $\frac{(\frac{2}{3}-\frac{1}{5})-\frac{1}{3}\text{of}\frac{2}{5}}{3-\frac{1}{1\frac{1}{2}}}$ Options:
  A) $\frac{1}{7}$
  B) 7
  C) $\frac{1}{3}$
  D) 3
  Show Answer
  The correct answer is A .
• Question 1126:

  Marks	1	2	3	4	5
  Frequency	2	2	8	4	4

  The table above show the marks obtained in a given test.

  Find the mean mark

  Options:
  A) 3.1
  B) 3.0
  C) 3.2
  D) 3.3
  Show Answer
  The correct answer is D .
• Question 1127: Given that x² + y² + z² = 194, calculate z if x = 7 and $\sqrt{y}$ = 3 Options:
  A) $\sqrt{10}$
  B) 8
  C) 12.2
  D) 13.4
  Show Answer
  The correct answer is B .
• Question 1128: Evaluate 1.25 × 102 × 0.125 × 103 × 12.5 × 10^-4 leaving your answer in standard form Options:
  A) 1.995 × 10³
  B) 1.95 × 10²
  C) 1.95 × 10¹
  D) 1.95 × 10^-2
  E) 1.95 × 10^-3
  Show Answer
  The correct answer is C .
• Question 1129: If 7 and 189 are the first and fourth terms of a geometric progression respectively find the sum for the first
  three terms of the progression Options:
  A) 182
  B) 180
  C) 91
  D) 63
  E) 28
  Show Answer
  The correct answer is C .
• Question 1130: The ratio of the length of two similar rectangular blocks is 2 : 3. If the volume of the larger block is 351cm³, then the volume of the other block is Options:
  A) 234.00 cm³
  B) 526.50 cm³
  C) 166.00 cm³
  D) 687cm³
  Show Answer
  The correct answer is A .