Mathematics Past Questions And Answers
Find the median. 1,4,7,8,9
- A. 9
- B. 4
- C. 7
- D. 8
Evaluate \(\int_{-4}^0(1 - 2x)dx\)
- A. -16
- B. -20
- C. 20
- D. 10
(a) Find, correct to one decimal place, the angle between \(p = \begin{pmatrix} 3 \\ -1 \end{pmatrix}\) and \(q = \begin{pmatrix} 3 \\ 4 \end{pmatrix}\).
(b) ABCD is a square with vertices at A(0, 0), B(2, 0), C(2, 2) and D(0, 2). Forces of magnitude 10 N, 15 N, 20 N and 5 N act along \(\overrightarrow{BA}, \overrightarrow{BC}, \overrightarrow{DC}\) and \(\overrightarrow{AD}\) respectively. Find the (i) magnitude (ii) direction; of the resultant.
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If the probability that an event will occur is p and the probability that it will not occur is q, which of the following is true?
- A. p - q=1
- B. q - p=0
- C. p + q=1
- D. p + q=0
In a right angled triangle, if tan \(\theta\) = \(\frac{3}{4}\). What is cos\(\theta\) - sin\(\theta\)?
- A. 2/3
- B. 3/5
- C. 1/5
- D. 4/5
A restaurant bill is made up of the following: #12.50 for starters, #28.55 for main courses and #8.95 for deserts, plus a #17.50 service charge. How much is the bill?
- A.#56.50
- B. #57.50
- C. #57.00
- D. #59.50
Find the coefficient of \(x^{4}\) in the binomial expansion of \((2 + x)^{6}\).
- A. 120
- B. 80
- C. 60
- D. 15
| No. of Days | 1 | 2 | 3 | 4 | 5 | 6 |
| No. of students | 20 | 2x | 60 | 40 | x | 50 |
The distribution above shows the number of days a group of 260 students were absent from school in a particular term. How many students were absent for at least four days in the term?
- A. 180
- B. 120
- C. 110
- D. 40
Solve: 6(x - 4) + 3(x + 7) = 3
- A. 3/2
- B. 2/3
- C. 1/2
- D. 1/3
which of the following is not quadratic expression?
- A. \(y = 2x^2 - 5x\)
- B. \(y=x(x-5)\)
- C. \(y = x^2 - 5\)
- D. y = 5(x-1)