Mathematics Past Questions And Answers
Find at which rate per annum simple interest N525 will amount to N588 in 3 years.
- A. 3%
- B. 2%
- C. 5%
- D. 4%
The capacity of a water tank is 1,800 litres. If the tank is in form of a cuboid with base 600cm by 150 cm. Find the height of the tank
- A. 2cm
- B. 20cm
- C. 200cm
- D. 2000cm
Find the derivative of y = ( \(\frac{1}{3}\)X + 6)\(^2\)
- A. 2( \(\frac{1}{3}\)X + 6
- B. \(\frac{2}{3}\) ( \(\frac{1}{3}\)X + 6)
- C. \(\frac{2}{3}\) ( \(\frac{1}{3}\)X + 6)2
- D. \(\frac{1}{3}\) ( \(\frac{1}{3}\)X + 6)2
A man earns N3,500 per month out of which he spends 15% on his children's education. If he spends additional N1,950 on food, how much does he have left?
- A. N525
- B. N1,025
- C. N1,950
- D. N2,975
Find the distance between the points (-2,-3) and (-2,4)
- A. 3m
- B. 2.4m
- C. 3.2m
- D. 7.0m
Rationalize; \(\frac{1}{\sqrt{2 + 1}}\)
- A. \(\sqrt{2}\) - 1
- B. 1 - \(\sqrt{2}\)
- C. \(\frac{\sqrt{2} - 1}{2}\)
- D. \(\frac{1 - \sqrt{2}}{2}\)
What fraction of N4.32 is N 3.87
- A. 41/48
- B. 43/48
- C. 47/48
- D. 39/48
In a ∠ XYZ, /YZ/ = 6cm YXZ = 60o and XYZ is a right angle. Calculate /XZ/in cm, leaving your answer in surd form
- A. 2√3
- B. 4√3
- C. 6√3
- D. 12√3
Solve the inequality -6(x + 3) ≤ 4(x - 2)
- A. x ≤ 2
- B. x ≥ -1
- C. x ≥ -2
- D. x ≤ -1
The table shows the corresponding values of two variables X and Y.
| X | 14 | 16 | 17 | 18 | 22 | 24 | 27 | 28 | 31 | 33 |
| Y | 22 | 19 | 15 | 13 | 10 | 12 | 3 | 5 | 3 | 2 |
a. plot a scatter diagram to represent the data
b i. Calculate:x?, the mean of X and ?, the mean of Y;
ii. Caculate:
x?1, the mean of X values below x? and ?1, the mean of the corresponding Y values below x?
c. Draw the line of best fit through (x?,?) and (x?1,?1).
d. From the graph, determine the relationship between X and Y;
ii. From the graph, determine the value of Y when X is 20.
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