If 1011₂ + x₇ = 25₁₀, solve for X.

• A. 20₇
• B. 14
• C. 20
• D. 24

If m and n are the mean and median respectively of the set of numbers 2, 3, 9, 7, 6, 7, 8, 5, find m + 2n to the nearest whole number

• A. 19
• B. 18
• C. 13
• D. 12

The sum of the first three terms of an Arithmetic Progression (A.P) is 18. If the first term is 4, find their product.

• A. 130
• B. 192
• C. 210
• D. 260

Find the equation of the line which passes through (-4, 3) and parallel to line y = 2x + 5.

• A. y = 2x + 11
• B. y = 3x + 11
• B. y = 3x - 5
• C. y = 2x - 11

Simplify, correct to three significant figures, (27.63)² - (12.37)2

• A. 614
• B. 612
• C. 611
• D. 610

(a) A man shared his property among his children as follows:

Represent the information on a pie chart

(b) A box contains 5 red, 3 green and 4 blue identical beads. Calculate the probability th a girl takes away two red beads, one after the other, from the box.

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. \(\frac {11}{20}\)

A box contains 5 red and k blue balls. A ball is selected at random from the box. If the probability of selecting a blue ball is \(\frac{2}{3}\), find the value of k.

• A. 5
• B. 6
• C. 8
• D. 10

A man with an annual salary of N2000, has allowances of N600. If Income Tax is 5%. How much income tax expenses does he pay each year?

• A. 15
• B. 50
• C. 70
• D. 25

The length of a piece of stick is 1.75m. A girl measured it as 1.80m. Find the percentage error

• A. \(\frac{28}{7}\)%
• B. \(\frac{29}{7}\)%
• C. 5%
• D. \(\frac{20}{7}\)%