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 1251: A force of 5 units acts on a particle in the direction to the east and another force of 4 units acts on the particle in the direction north-east. The resultants of the two forces is Options:
  A) $\sqrt{3}$ units
  B) 3 units
  C) $\sqrt{41+20\sqrt{2}}$ units
  D) $\sqrt{41-20\sqrt{2}}$ units
  Show Answer
  The correct answer is C .
• Question 1252: If three numbers P, Q, R are in ratio 6 : 4 : 5, find the value of $\frac{3p-q}{4q+r}$ Options:
  A) $\frac{3}{2}$
  B) $\frac{2}{3}$
  C) 2
  D) 3
  E) 18
  Show Answer
  The correct answer is B .
• Question 1253: What is the mean of the data t, 2t - 1, t - 2, 2t - 1, 4t and 2t + 2? Options:
  A) 2t
  B) 2t - 1
  C) $\frac{2}{3}$t + 1
  D) 2t - $\frac{1}{3}$
  Show Answer
  The correct answer is D .
• Question 1254: If 125_x = 20₁₀ find x Options:
  A) 2
  B) 3
  C) 4
  D) 5
  Show Answer
  The correct answer is B .
• Question 1255:

  A sector of a circle has an area of 55 cm². If the radius of the circle is 10 cm, calculate the angle of the sector. [π = 22/7]

  Options:
  A) 45${}^{\circ }$
  B) 63${}^{\circ }$
  C) 75${}^{\circ }$
  D) 90${}^{\circ }$
  Show Answer
  The correct answer is B .
• Question 1256:

  Three children shared a basket of mangoes in such a way that the first child took $\frac{1}{4}$ of the mangoes and the second $\frac{3}{4}$ of the remainder. What fraction of the mangoes did the third child take?

  Options:
  A) $\frac{3}{16}$
  B) $\frac{7}{16}$
  C) $\frac{9}{16}$
  D) $\frac{13}{16}$
  Show Answer
  The correct answer is A .
• Question 1257: Given that ${10}^x=0.2$ and ${\log }_{10}2=0.3010$, find x. Options:
  A) -1.3010
  B) -0.6990
  C) 0.6990
  D) 1.310
  E) 0.02
  Show Answer
  The correct answer is B .
• Question 1258: A man bought a second-hand photocopying machine for N34,000. He serviced is at a cost od N2,000 and then sold it i profit of 15%. What was the selling price? Options:
  A) N37,550
  B) N40,400
  C) N41,400
  D) N42,400
  Show Answer
  The correct answer is C .
• Question 1259: Simplify $\frac{5+\sqrt{7}}{3+\sqrt{7}}$ Options:
  A) 17-√7
  B) 4-√7
  C) 15+√7
  D) 7-√7
  Show Answer
  The correct answer is B .
• Question 1260: Find the range of 4,9,6,3,2,8,10 and 11 Options:
  A) 11
  B) 9
  C) 8
  D) 4
  Show Answer
  The correct answer is B .