The table shown gives the marks scored by a group of student in a test. Use the table to answer the question given.
| Mark | 0 | 1 | 2 | 3 | 4 | 5 |
| Frequency | 1 | 2 | 7 | 5 | 4 | 3 |
What is the probability of selecting a student from the group that scored 2 or 3
- A. \(\frac{1}{11}\)
- B. \(\frac{5}{22}\)
- C. \(\frac{7}{22}\)
- D. \(\frac{6}{11}\)
The table shown gives the marks scored by a group of student in a test. Use the table to answer the question given.
| Mark | 0 | 1 | 2 | 3 | 4 | 5 |
| Frequency | 1 | 2 | 7 | 5 | 4 | 3 |
What is the median mark?
- A. 1
- B. 2
- C. 3
- D. 4
A machine valued at N20,000 depreciates by 10% every year. What will be the value of the machine at the end of two years?
- A. N16,200
- B. N14,200
- C. N12,000
- D. N8,000
If the simple interest on a sum of money invested at 3% per annum for 2\(\frac{1}{2}\) years is N123, find the principal.
- A. N676.50
- B. N820
- C. N1,640
- D. N4,920
What is the place value of 9 in the number 3.0492?
- A. \(\frac{9}{10000}\)
- B. \(\frac{9}{1000}\)
- C. \(\frac{9}{100}\)
- D. \(\frac{9}{10}\)
Make T the subject of the relation.
- A. T = \(\frac{R + P3}{15Q}\)
- B. T = \(\frac{R - 15P^3}{Q}\)
- C. T =R - \(\frac{15P^3}{Q}\)
- D. T = \(\frac{15R + Q}{P^3}\)
Simplify
\(\frac {25^{\frac{2}{3}} \div 25^{\frac{1}{6}}} {(\frac{1}{5})^{\frac{7}{6}} \div (\frac{1}{5})^{\frac{1}{6}}}\)
- A. 25
- B. 1
- C. \(\frac{1}{5}\)
- D. \(\frac{1}{25}\)
An arc of a circle of radius 14cm subtends angle 300ยฐ at the centre. Find the perimeter of the sector formed by the arc (take ฯ = \(\frac{22}{7}\))
- A. 14.67cm
- B. 73.33 cm
- C. 101.33cm
- D. 513.33cm
The probabilities that John and James pass an examination are \(\frac {3}{4}\)and \(\frac {3}{5}\) respectively. Find the probability of both boys failing the examination.
- A. \(\frac {1}{10}\)
- B. \(\frac {2}{10}\)
- C. \(\frac {9}{20}\)
- D. \(\frac {11}{20}\)
Convert 0.04945 to two significant figures
- A. 0.040
- B. 0.049
- C. 0.050
- D. 0.49
Calculate the total surface area of a cupboard which measures 12cm by 10cm by 8cm
- A. 1920cm\(^2\)
- B. 592cm\(^2\)
- C. 296cm\(^2\)
- D. 148cm\(^2\)
If \(\frac{x}{a + 1}\) + \(\frac{y}{b}\) = 1. Make y the subject of the relation.
- A. \(\frac{b(a + 1 - x)}{a + 1}\)
- B. \(\frac{a + 1}{b(a - x + 1)}\)
- C. \(\frac{a(b - x + 1)}{b + 1}\)
- D. \(\frac{b}{a(b - x + 1)}\)
A school girl spends \(\frac{1}{4}\) of her pocket money on books and \(\frac{1}{3}\) on dress. What fraction remains?
- A. \(\frac{5}{6}\)
- B. \(\frac{7}{12}\)
- C. \(\frac{5}{12}\)
- D. \(\frac{1}{6}\)
Solve for t in the equation \(\frac{3}{4}\)t + \(\frac{1}{3}\)(21 – t) = 11
- A. \(\frac{9}{13}\)
- B. \(\frac{7}{13}\)
- C. 5
- D. 9\(\frac{3}{5}\)
If y = 23\(_{five}\) + 101\(_{three}\) , find y, leaving your answer in base two
- A. 1110
- B. 10111
- C. 11101
- D. 111100
A trader realises 10x – x\(^2\) Naira profit from the sale of x bags of corn. How many bags will give him the maximum profit?
- A. 7
- B. 6
- C. 5
- D. 4
The pie chart shows the monthly expenditure of a public servant. The monthly expenditure on housing is twice that of school fees. How much does the worker spend on housing if his monthly income is N7200?
- A. 1000
- B. 2000
- C. 3000
- D. 4000
Find the values of x for which
\(\frac {x+2}{4}\) – \(\frac{2x – 3}{3}\) < 4
- A. x < 8
- B. x > -6
- C. x < 4
- D. x > -3
In a class of 40 students, 32 offer Mathematics, 24 offer Physics and 4 offer neither Mathematics nor Physics. How many offer both Mathematics and Physics?
- A. 4
- B. 8
- C. 16
- D. 20