Question 1Express $8 x 10^{-6} ÷ 2 × 10^{-5}$A.1/4 B.3/2 C.2/5 D.1/5Objective Show full explanation
Question 2Find the values of x for which $2^{2x+4} - 33 × 2^x + 4 = 0$A.x = 2, x = -3 B.x = -2, x = 3 C.x = 4, x = 1/8 D.x = 2, x = 3Objective Show full explanation
Question 4Find the values of x such that $|\table 2,7;3,1/2| |\table x;y| = |\table 10;7|$A.y = 0.8, x = 2.2B.x = 2, y = -2 C.x = -2, y = 2 D.x = y = -2 Objective Show full explanation
Question 5A chord of a circle of radius 13cm is drawn 5cm from the centre of the circle. Find the length of the chord A.12cm B.24cm C.18cm D.√194cm Objective Show full explanation
Question 6If x - 2 is a factor of $px^3 + 2x^2 -2p + 12$ find the value of p A.8/5 B.-10/3 C.2 D.-2 Objective Show full explanation
Question 7In a regular pentagon ABCDE, AC intersects BD at P, calculate A.108°B.36°C.72°D.48°Objective Show full explanation Question 8 Subject Biology Chemistry Maths Physics Marks 95 2x+10 x 75 The table above shows the marks obtained by a student in an examination. If the total mark obtained is 300, what is the angle corresponding to the mark obtained in Chemistry if the information is represented in a pie chart? A.120°B.144°C. 48°D.108°Objective Show full explanation Question 9A ladder 17m rests against a vertical wall so that its foot is 8.5cm from the wall. Find the angle of inclination of the ladder to the horizontal floor A.30°B.60°C.45°D.55°Objective Show full explanation Question 10Evaluate $lim_{x∞2} {x^2 + x - 6}/{x - 2}$A.0 B.5 C.8 D.1Objective Show full explanation Question 11if ${dy}/{dx} = 6x - 3$ and y(-1) = 8, find y(x)A.3x2 - 3x - 8 B.3x2 - 3x + 8 C.3x2 - 3x - 2 D.3x2 - 3x + 2Objective Show full explanation Question 12The minimum of the function $f(x) = 2x^2 - 12x + 5$ is A.59 B.-59 C.3 D.-3Objective Show full explanation Question 13A basket contains 5 MTN cards, 6 GLO cards, 3 MTEL cards and 6 V-mobile cards. What is the probability that a card selected from the basket at random will be MTN or MTEL card?A.3/20 B.3/4 C.1/4 D.2/5Objective Show full explanation Question 14Find the range of the numbers 1/3, 1/2, 3/5, 4/5, 2/3, 6/7, 8/9A.7/27 B.13/45 C.9/5 D.5/9Objective Show full explanation Question 15If the mean of the numbers 4, 3, 5, x, 7 is 5, find the variance A.2 B.10 C.√2 D.5Objective Show full explanation
Question 8 Subject Biology Chemistry Maths Physics Marks 95 2x+10 x 75 The table above shows the marks obtained by a student in an examination. If the total mark obtained is 300, what is the angle corresponding to the mark obtained in Chemistry if the information is represented in a pie chart? A.120°B.144°C. 48°D.108°Objective Show full explanation
Question 9A ladder 17m rests against a vertical wall so that its foot is 8.5cm from the wall. Find the angle of inclination of the ladder to the horizontal floor A.30°B.60°C.45°D.55°Objective Show full explanation
Question 11if ${dy}/{dx} = 6x - 3$ and y(-1) = 8, find y(x)A.3x2 - 3x - 8 B.3x2 - 3x + 8 C.3x2 - 3x - 2 D.3x2 - 3x + 2Objective Show full explanation
Question 12The minimum of the function $f(x) = 2x^2 - 12x + 5$ is A.59 B.-59 C.3 D.-3Objective Show full explanation
Question 13A basket contains 5 MTN cards, 6 GLO cards, 3 MTEL cards and 6 V-mobile cards. What is the probability that a card selected from the basket at random will be MTN or MTEL card?A.3/20 B.3/4 C.1/4 D.2/5Objective Show full explanation
Question 14Find the range of the numbers 1/3, 1/2, 3/5, 4/5, 2/3, 6/7, 8/9A.7/27 B.13/45 C.9/5 D.5/9Objective Show full explanation
Question 15If the mean of the numbers 4, 3, 5, x, 7 is 5, find the variance A.2 B.10 C.√2 D.5Objective Show full explanation