Question 2Find the 9th term of the sequence 6, 11, 16, 21, 26, ...A.40 B.46 C.64 D.51 Objective Show full explanation
Question 3Find the sum of roots of the equation 2x2 - 7x + 2 = 0A.-7 B.-3.5 C.2 D.3.5 Objective Show full explanation
Question 4Find the value of x which satisfies the simultaneous equations: 2x -5y = 11; x - 2y = 5 A.3 B.-1 C.-3D.1Objective Show full explanation
Question 5Convert 34five to base twoA.10011twoB.100010twoC.1011twoD.10010twoObjective Show full explanation
Question 6A man spent one-third of an allowance on entertainment and one-quarter of the rest as gift. If he is left with 40.00. Calculate the allowance: A.N96.00 B.N60 C.N80.00 D.N120.00 Objective Show full explanation
Question 8A boy whose true age is 25 years claimed the age of 24 years 9 months. What is the percentage error? A.1% B.3% C.25% D.9%. Objective Show full explanation
Question 9In the figure below, O is the centre of circle ABC and ACB = 35°. Calculate interior angle AOB A.290° B.70° C.110° D.35° Objective Show full explanation
Question 10If Cos θ = 2/3. what is Sin2 θ? A.5/9 B.9/25 C.9/16 D.16/25Objective Show full explanation
Question 11What is the eighth term of the series 32, 16, 8 ........? A.4 B.1/2C.1/4D.1/16 Objective Show full explanation
Question 12Calculate the mean deviation of the set {2, 3, 7}: A.2 B.4 C.5 D.6 Objective Show full explanation
Question 13Who is the probability that a total sum of 9 would appear in two tosses of a fair die? A.1/12 B.1/9C.1/6D.1/4Objective Show full explanation
Question 14The interior angles of a pentagon are (x+5)°, (10 +x)°, (x -25)°, (x - 15)°, and x. find x A.120° B.103° C.113° D.108° Objective Show full explanation