NECO Mathematics Exam Past Questions and Answers

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 281: Evaluate ut - $\frac{1}{2}$ft² when t = 5, u = -20 and f = 10 Options:
  A) 225
  B) 72
  C) -75
  D) -125
  E) -225
  Show Answer
  The correct answer is E.
• Question 282: Express the quotient of 0.422 and 0.004 in standard form Options:
  A) 1.055 × 10²
  B) 10.55 × 10¹
  C) 105 × 10⁰
  D) 10.55 × 10^-1
  E) 1.055 × 10^-2
  Show Answer
  The correct answer is A.
• Question 283: The 4th term of a G.P is 3 and its first term is 81. What is its common ratio? Options:
  A) 3
  B) $\frac{2}{3}$
  C) $\frac{1}{3}$
  D) -$\frac{1}{3}$
  E) -3
  Show Answer
  The correct answer is C.
• Question 284: If the mean of the following set of data, 2, 3,3,3, 2,4 4 and 3 is divided by its mode, the result is: Options:
  A) 1
  B) 2
  C) 3
  D) 5
  E) 8
  Show Answer
  The correct answer is A.
• Question 285: The diagonals of a rhombus are 16cm and 30cm long. What is the perimeter of the rhombus Options:
  A) 68cm
  B) 72cm
  C) 80cm
  D) 88cm
  E) 92cm
  Show Answer
  The correct answer is A.
• Question 286: A bag Contains 2 red, 3 blue and 4 green identical balls. If two balls are picked at random one after the other without replacement, what is the probability that both are green? Options:
  A) $\frac{1}{6}$
  B) $\frac{1}{3}$
  C) $\frac{16}{18}$
  D) $\frac{3}{8}$
  E) $\frac{4}{9}$
  Show Answer
  The correct answer is A.
• Question 287: A man is 40m from the foot of a cliff of height 23m. Calculate the angle of elevation of the top of the cliff from the man Options:
  A) 50° 54′
  B) 35° 06′
  C) 30° 00′
  D) 290 90′
  E) 29° 54′
  Show Answer
  The correct answer is E.
• Question 288: Express the product of 0.007 and 0.057 to two significant figures Options:
  A) 0.0004
  B) 0.00039
  C) 0.004
  D) 0.0039
  E) 0.04
  Show Answer
  The correct answer is A.
• Question 289: Find x if (x - 2)² = 1$\frac{7}{9}$ Options:
  A) $\frac{2}{3}$ or $\frac{2}{7}$
  B) 3$\frac{1}{3}$ or $\frac{2}{3}$
  C) 3$\frac{7}{9}$ or $\frac{2}{7}$
  D) 3$\frac{1}{3}$ or $\frac{7}{9}$
  E) $\frac{3}{7}$ or $\frac{2}{9}$
  Show Answer
  The correct answer is B.
• Question 290: The ratio of the circumference to the diameter of a circle is approximately of a circle is approximately equal to Options:
  A) 2.5
  B) 3.14
  C) 4.83
  D) 6.52
  E) 7
  Show Answer
  The correct answer is B.