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 1851:

  

  The figure is a solid with the trapezium PQRS as its uniform cross-section. Find its volume

  Options:
  A) 120m²
  B) 576m³
  C) 816m³
  D) 1056m³
  Show Answer
  The correct answer is C .
• Question 1852: A man 40m from the foot of a tower observes the angle of elevation of the tower to be 30^o, Determine the height of the tower Options:
  A) 40m
  B) 40$\sqrt{3}$m
  C) 20m
  D) $\frac{40\sqrt{3}}{3}$
  Show Answer
  The correct answer is D .
• Question 1853: Simplify (216$\frac{1}{3}$)^-2 Options:
  A) $\frac{1}{36}$
  B) $\frac{1}{18}$
  C) $\frac{1}{13}$
  D) $\frac{1}{6}$
  E) $\frac{1}{3}$
  Show Answer
  The correct answer is A .
• Question 1854: An arc of a circle subtends an angle of 75° at the centre of the circle. If the diameter of the circle is 7cm, what Is the length of the arc? (take π = 3.142) Options:
  A) 4.58 cm
  B) 8.02 cm
  C) 16.04 cm
  D) 32.08 cm
  E) 34 cm
  Show Answer
  The correct answer is A .
• Question 1855: From the top of a vertical mast 150m high., two huts on the same ground level are observed. One due east and the other due west of the mast. Their angles of depression are 60^o and 45^o respectively. Find the distance between the huts Options:
  A) 150(1 + $\sqrt{3}$)m
  B) 50( $\sqrt{3}$ - $\sqrt{3}$)m
  C) 150 $\sqrt{3}$m
  D) $\frac{50}{\sqrt{3}}$m
  Show Answer
  The correct answer is B .
• Question 1856: Evaluate [$\frac{1}{0.03}$ $÷$ $\frac{1}{0.024}$]^-1 correct to 2 decimal places Options:
  A) 3.76
  B) 1.25
  C) 0.94
  D) 0.75
  Show Answer
  The correct answer is B .
• Question 1857: If 5x - 3 = 4x - 7, what is the value 6x? Options:
  A) 24
  B) 6
  C) 4
  D) -4
  E) -24
  Show Answer
  The correct answer is E .
• Question 1858: In a youth club with 94 members, 60 like modern music, and 50 like traditional music. The number of members who like both traditional and modern music is three times those who do not like any type of music. How many members like only one type of music? Options:
  A) 8
  B) 24
  C) 62
  D) 86
  Show Answer
  The correct answer is C .
• Question 1859: In a restaurant, the cost of providing a particular type of food is partly constant and partially inversely proportional to the number of people. If cost per head for 100 people is 30k and the cost for 40 people is 60k, Find the cost for 50 people? Options:
  A) 15k
  B) 20k
  C) 50k
  D) 40k
  E) 45k
  Show Answer
  The correct answer is C .
• Question 1860: W is directly proportional to U. If W = 5 when U = 3, find U when W = $\frac{2}{7}$ Options:
  A) $\frac{6}{35}$
  B) $\frac{10}{21}$
  C) $\frac{21}{10}$
  D) $\frac{35}{6}$
  Show Answer
  The correct answer is A .