43
Which of the following is a measure of central tendency?
- A. Standard deviation
- B. Range
- C. Variance
- D. Mean
44
If p * q = 2p + pq + q, find p when ( p * 2) – (p * 1) = 40
- A. 39
- B. 40
- C. 41
- D. 42
45
The ratio of men to women in a 20-member committee is 3:1. How many women must be added to the committee to make the ratio of men to women 3:2?
- A. 2
- B. 5
- C. 7
- D. 8
46
Solve 16\(^x\) = 0.25
- A. -\(\frac{1}{2}\)
- B. \(\frac{1}{4}\)
- C. -\(\frac{1}{4}\)
- D. \(\frac{1}{2}\)
47
Find the angle subtended by an arc 33cm long of a circle of diameter 28cm.
- A. 105\(^0\)
- B. 115\(^0\)
- C. 120\(^0\)
- D. 135\(^0\)
48
y is inversely proportional to x and y = 4, when x = \(\frac{1}{2}\), find x when y = 10
- A. 2
- B. 10
- C. \(\frac{1}{5}\)
- D. \(\frac{1}{10}\)
49
Find the amount if simple interest is paid yearly at 5% per annum for 3 years, on a principal of # 200,000.00
- A. # 23, 000.00
- B. # 30,000.00
- C. # 300,000.00
- D. # 230,000.00
50
Evaluate the determinant of the matrix M = \(\begin{bmatrix}3 & 4 & 6\\2 & 1 & -1\\-1 & 3 & 5\end{bmatrix}\)
- A. 20
- B. 25
- C. 30
- D. 35