Mathematics Past Questions And Answers

Note: You Can Select Post UTME Schools Name Below The Exam Year.
1201

Evaluate \(\frac{x^2 + x - 2}{2x^2 + x -3}\) when x = -1

  • A. -2
  • B. -1
  • C. \(-\frac{1}{2}\)
  • D. 1
View Discussion (0)WAEC 2001 OBJ
1202

If x varies inversely as y and y varies directly as Z, what is the relationship between x and z?

  • A. x \(\alpha\) z
  • B. x \(\alpha \frac{1}{z}\)
  • C. x \(\alpha z^2\)
  • D. x \(\alpha \frac{1}{z^2}\)
View Discussion (0)WAEC 2014 OBJ
1203

(a) A cylinder with radius 3.5 cm has its two ends closed, if the total surface area is \(209 cm^{2}\), calculate the height of the cylinder. [Take \(\pi = \frac{22}{7}\)].

(b)geometric In the diagram, O is the centre of the circle and ABC is a tangent at B. If \(\stackrel\frown{BDF} = 66°\) and \(\stackrel\frown{DBC} = 57°\), calculate, (i) \(\stackrel\frown{EBF}\) and (ii) \(\stackrel\frown{BGF}\).

View Discussion (0)WAEC 2007 THEORY
1204

If x = 64 and y = 27, evaluate: \(\frac{x^{\frac{1}{2}} - y^{\frac{1}{3}}}{y - x^{\frac{2}{3}}}\)

  • A. 2\(\frac{1}{5}\)
  • B. 1
  • C. \(\frac{5}{11}\)
  • D. \(\frac{11}{43}\)
View Discussion (0)WAEC 2013 OBJ
1205

A baker used 40% of a 50kg bag of flour. If \(\frac{1}{8}\) of the amount used was for the cake, how many kilogram of flour was used for the cake?

  • A. 2\(\frac{1}{2}\)
  • B. 6\(\frac{1}{2}\)
  • C. 15\(\frac{3}{8}\)
  • D. 17\(\frac{1}{2}\)
View Discussion (0)WAEC 2006 OBJ
1206

There are m boys and 12 girls in a class. What is the probability of selecting at random a girl from the class?

  • A. \(\frac{m}{12}\)
  • B. \(\frac{12}{m}\)
  • C. \(\frac{12}{m+12}\)
  • D. \(\frac{12}{m-12}\)
View Discussion (0)WAEC 2004 OBJ
1207

A car dealer bought a second-hand car for 250,000 and spent N 70,000 refurbishing it. He then sold the car for N400,000. What is the percentage gain?

  • A. 60%
  • B. 32%
  • C. 25%
  • D. 20%
View Discussion (0)JAMB 2017
1208

a

In the diagram, a mass of 12kg hanging from a light inextensible string is pulled aside by a horizontal force, R, such that the string is inclined at 45\(^o\) to the vertical. If the system is in equilibrium, calculate the;

(a) tension in the string;

(b) value of R

View Discussion (0)WAEC 2019 THEORY
1209

Solve 3cos2x - sinx = 0 for 0º≤x≤360º

View Discussion (0)WAEC 2022 THEORY
1210

A man is four times as old as his son. The difference between their ages is 36. Find the sum of their ages

  • A. 45years
  • B. 48years
  • C. 60years
  • D. 74years
View Discussion (0)POST UTME UNILORIN