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 941: Simplify $\frac{\sqrt{12}-\sqrt{3}}{\sqrt{12}+\sqrt{3}}$ Options:
  A) $\frac{1}{3}$
  B) 9
  C) 16cm
  D) 3
  Show Answer
  The correct answer is A .
• Question 942:

  If sec${}^2$θ + tan${}^2$θ = 3, then the angleθ is equal to?

  Options:
  A) 90º
  B) 30º
  C) 45º
  D) 60º
  Show Answer
  The correct answer is C .
• Question 943: Simplify (√0.7 + √70)² Options:
  A) 84.7
  B) 70.7
  C) 217.7
  D) 168.7
  Show Answer
  The correct answer is A .
• Question 944: What is the common ratio of the G.P. $(\sqrt{10}+\sqrt{5})+(\sqrt{10}+2\sqrt{5})+...$? Options:
  A) $\sqrt{2}$
  B) $\sqrt{5}$
  C) 3
  D) 5
  Show Answer
  The correct answer is A .
• Question 945: Find y if sin y = cos 48° Options:
  A) 21°
  B) 24°
  C) 42°
  D) 48°
  E) 102°
  Show Answer
  The correct answer is C .
• Question 946: If the shadow of a pole 7m high is 1/2 its length what is the angle of elevation of the sun, correct to the nearest degree? Options:
  A) 90^o
  B) 63^o
  C) 60^o
  D) 26^o
  E) 0^o
  Show Answer
  The correct answer is B .
• Question 947: If $\sqrt{3^x}$ = $\sqrt{9}$ then the value of x is: Options:
  A) $\frac{3}{4}$
  B) $\frac{4}{3}$
  C) $\frac{1}{3}$
  D) $\frac{2}{3}$
  E) $\frac{1}{2}$
  Show Answer
  The correct answer is E .
• Question 948: Find the minimum value of the function y = x(1+x) Options:
  A) -¹/₄
  B) -¹/₂
  C) ¹/₄
  D) ¹/₂
  Show Answer
  The correct answer is A .
• Question 949:

  

  PQRS is a cyclic quadrilateral which PQ = PS. PT is a tangent to the circle and PQ makes an angle of 50${}^{\circ }$ with the tangent as shown in the figure. What is the size of QRS?

  Options:
  A) 50${}^{\circ }$
  B) 40${}^{\circ }$
  C) 110v
  D) 80${}^{\circ }$
  E) 100${}^{\circ }$
  Show Answer
  The correct answer is E .
• Question 950: Two ladders of length 5m and 7m lean against a pole and make angles 45° and 60° with the ground respectively. What is their distance apart on the pole correct to two decimal places? Options:
  A) 9.60m
  B) 6.06m
  C) 2.54m
  D) 2.53m
  E) 2.00m
  Show Answer
  The correct answer is D .