Mathematics Past Questions And Answers
Find the least value of n for which \(^{3n}C_{2} > 0, n \in R\).
- A. \(\frac{1}{3}\)
- B. \(\frac{1}{6}\)
- C. \(\frac{2}{3}\)
- D. 1
The sum of interior angle of a triangle is equal to -------------------
- a) 90
- b)180
- c) 270
- d) 360
| Age in years | 10 - 14 | 15 - 19 | 20 - 24 | 25 - 29 | 30 - 34 |
| Frequency | 6 | 8 | 14 | 10 | 12 |
Find the mean of the distribution.
- A. 23.4
- B. 23.6
- C. 24.3
- D. 24.6
(a) Evaluate \(\frac{^{9}P_{3}}{^{15}C_{3}} + \frac{^{5}C_{3}}{^{3}P_{2}}\) correct to two decimal places.
(b) A committee of 2 tutors and 5 pupils is to be formed among 6 tutors and 10 pupils. In how many ways can this be done if one particular tutor must be on the committee and two particular pupils must not be on the committee?
View Discussion (0)WAEC 2011 THEORYFind the value of (0.006)3 + (0.004)3 in standard form
- A. 2.8 x 10-9
- B. 2.8 x 10-7
- C. 2.8 x 10-8
- D. 2.8 x 10--6
(a) If \((y - 1)\log_{10}4 = y\log_{10}16\), without using Mathematics tables or calculator, find the value of y.
(b) When I walk from my house at 4km/h, I will get to my office 30mins later than when I walk at 5km/h. Calculate the distance between my house and office.
View Discussion (0)WAEC 2017 THEORYSimplify \(\frac{324 - 4x^2}{2x + 18}\)
- A. 2(x - 9)
- B. 2(9 + x)
- C. 81 - x2
- D. -2(x - 9)
Evaluate Log28 + Log216 - Log24
- A. 3
- B. 4
- C. 5
- D. 6
Given that x = 2 and y = -\(\frac{1}{4}\), evaluate \(\frac{x^2y - 2xy}{5}\)
- A. zero
- B. \(\frac{1}{5}\)
- C. 1
- D. 2
How long does a train take to cover the journey if it starts at 6.10a.m. and ends at 3.55p.m. the same day?
- (a)10hrs 35mins
- (b) 9hrs. 45mins
- (c) 9hrs 30mins
- (d) 10hrs 45mins