221.Find the number of sides of regular polygon whose interior angle is twice the exterior angle
222.Find the value of p, if the line which passes through (-1,p) and (-2p,2) is parallel to the line 2y+8x–17=0
- A. 6/7
- B. 4/7
- C. 1/5
- D. -6/7
223.Obtain a maximum value of the function f(x) = x³ –12x+11
224.If y = 5cos(-6x), dx/dy is
- A. 30sin(-6x)
- B. 5sin(-6x)
- C. -30sin(-6x)
- D. -30cos(-6x)
225.Find the variance of the numbers k,k+1,k+2
226.At what value of x is the function y = x² – 6x – 7 minimum
227.The chances of three independent P, Q, R occurring are ½, 2/3, ¼ respectively. What is the chance of P and Q only occurring?
228.If x and y represent the mean and the median respectively of the following marks of students in a mathematics test 11, 12, 13, 14, 14, 15, 16, 17, 18, 19, 21. Find x/y correct to 1 decimal place
229.Find the point of the Euclidean plane where the curve y=2x²–2x+9 has 2 as gradient
- A. (2,4)
- B. (3,5)
- C. .(1,3)
- D. (1,4)
230.Find the equation of the line through (5,7) parallel to the line 7x+5y–5=0
- A. 5y+7x=70
- B. 7x+5y=7
- C. 5y+7x=110
- D. y+5x=7
231.AAUA allocations to various faculties in school budgets are as follows: Science N35,000,000.00, Education ₦25,000,000.00, Law ₦20,000,000.00, Social and Management ₦20,000,000.00. In a pie chart to represent this information,the corresponding angle to Science is
- A. 90⁰
- B. 126⁰
- C. 45⁰
- D. 100⁰
232.Simplify 3 1/3 – ¼ x 2/3 + 2/5
- A. 7/30
- B. 3 9/10
- C. 3 2/5
- D. 33 1/3
233.Find the distance between points A(-4,5) and B(-3,2)
234.Find the mode and median respectively of the distribution 1,2,5,1,6,8,3,1,1,9,7,4,2,5,3
235.Rationalise (4√7+ √2) / (√2-√7)
- A. -√14-6
- B. 2√14-6
- C. -3√14-28
- D. √14-28
236.A house wife bought five yams at Y34 per yam and three oranges at Y5 each where Yis the currency reckoned in base six. The total amount spent by the house wife is
- A. Y225₆
- B. Y252₆
- C. Y315₆
- D. Y325₆
237.Justice Starts a 5km walk from P on a bearing 023⁰. He then walks 4km on a bearing of 113⁰ to Q. What is the bearing of Q from P
- A. 61.6⁰
- B. 23⁰
- C. 90.4⁰
- D. 113⁰
238.Divide the L.C.M of 36,54 and 90 by their H.C.F
239.The minimum point on the curve y=x²–4x+3 is
- A. (2,-1)
- B. (0,3)
- C. .(1,0)
- D. (2,-4)
240.The number 327,036 was corrected to 327,000 degree of approximation used? i. To 3 significant figures, ii.To 4 significant figures, iii.To the nearest hundred, iv.To the nearest thousand
- A. I and IV only
- B. II and IV only
- C. I, II and III only
- D. I, II, III and IV