Mathematics Past Questions And Answers
A particle is projected vertically upwards from a height 45 metres above the ground with a velocity of 40 m/s. How long does it take it to hit the ground? [Take g = 10ms?2].
- A. 1s
- B. 3s
- C. 7s
- D. 9s
If 8, p, q and 26 is an A.P. Find the values of p and q
- A. p = 14 and q = 14
- B. p = 20 and q = 14
- C. p = 20 and q = 20
- D. p = 14 and q = 20
Ojo and Aina bought 25 oranges each and gave Audu and Amina 6 and 8 oranges each from both. How many oranges will both of them have left?
- (a) 18 each
- (b) 19 and 17
- (c) 36
- (d) 36 each
The probabilities of Rotey obtaining the highest mark in Mathematics, Physics and Biology tests are 0.9, 0.75 and 0.8 respectively. Calculate the probability of getting the highest marks in at least two of the subjects.
View Discussion (0)WAEC 2009 THEORYPQRSTV is a regular polygon of side 7 cm inscribed in a circle. Find the circumference of the circle PQRSTV. A. 56 cm
- B. 22 cm
- C. 42 cm
- D. 44 cm
- D. 44 cm
Mensah is 5 years old and joyce is thrice as old as mensah. In how many years will joyce be twice as old as Mensah?
- A. 3 years
- B. 10 years
- C. 5 years
- D. 15 years
If x is a positive real number, find the range of values for which \(\frac{1}{3x}\) + \(\frac{1}{2}\) > \(\frac{1}{4x}\)
- A. 0 > -\(\frac{1}{6}\)
- B. x > 0
- C. 0< x< 4
- D. 0< x< \(\frac{1}{6}\)
If in registering for WAEC, only 1500 candidates registered on the first day but twice the number registered subsequently till the sixth day, how many candidates would have registered?
- A. 10 000
- B. 15 000
- C. 15 500
- D. 16 500
Resolve \(\frac{3x - 1}{(x - 2)^{2}}, x \neq 2\) into partial fractions.
- A. \(\frac{x}{2(x - 2)} - \frac{5}{(x - 2)^{2}}\)
- B. \(\frac{5}{(x - 2)} + \frac{x}{2(x - 2)^{2}}\)
- C. \(\frac{1}{2(x - 2)} + \frac{5x}{2(x- 2)^{2}}\)
- D. \(\frac{-1}{2(x - 2)} + \frac{8x}{2(x - 2)^{2}}\)
The volume of a cylinder of radius 14cm is 210cm3. What is the curved surface area of the cylinder?
- A. 15cm2
- B. 30cm2
- C. 616cm2
- D. 1262cm2