Please, fill out the information below to continue. Note: This is a sample test, and you can only take it for a limited period, after which you will be required to subscribe to a plan NAME EMAIL PHONE NUMBER 1. The following oxides reacts with both acids and bases to form salts except carbon (iv) oxide tin (iv) oxide Zinc oxide Lead (ii) oxide 2. If a : b = 3 : 4 and m : n = 2 : 5Find a/m : b/n 10 : 3 8 : 15 5 : 9 15 : 8 3 : 10 3. Approximate 12256 to 3 significant figures. 12300 12.3 122 12200 12260 4. [Junior school mathematics] Solve the inequality4x + 1 ≥ 5x - 3 x < 4 x ≤ 4 x ≥ 4 x ≥ -4 5. The diagram illustrates the distribution of marks in a class testThe percentage of students who scored less than 5 marks is 50% 75% 33% 67% 6. Choose the word that best completes the sentence:He knows the interviewer already and that will give him a/an _________ advantage over me. unfair uncouth considerable ardent significant 7. By solving equation a = 2 - 9a, value of a will be 2⁄3 1⁄2 1⁄5 2⁄5 8. The direction of the path taken by light is called ray beam lines locus 9. By solving equation √x + 3 = 0, value of 'x' will be 3 -3 -9 9 10. Factorise the expression: 5xy – 8by – 10ax + 16ab (y - 3b)(5x - 8b) (y - 2a)(3b + y) (y - 2a)(5x - 8b) (y -3b)(5x = 8b) (y + 3b)(5x - 8b) 11. What is the value of 2p + 3q, when p = 4 and q = 5? 15 23 25 30 20 12. Trioxonitrate (v) acid is not used for preparing hydrogen gas from metals because it forms a layer of oxide on the metal is strongly oxidising is volatile Renders the metal passive 13. What is the lowest common multiple of the prime numbers between 1 and 10? 210 90 105 35 70 14. The following metals are usually extracted by the method of electrolysis EXCEPT iron potassium aluminium magnesium sodium 15. Wild life includes plants and animals that are nature tied slaves chained free 16. A clerk is allowed 10% of her income tax-free and pays 15% on the remainder. If her tax amounts to £2,970, what is her income? £25,000 £28,000 £22,000 £24,000 £20,000 17. Choose the word that best completes the sentence:I`m afraid her husband has got a __________ addiction to gambling. decisive careless frenetic latest chronic 18. 8, 5, 9, 6, 2, 4, 8, 0The median of the above set of numbers is 6.5 6 5 7 5.5 19. The heating element of an electric heater is made of ____ None of these Aluminum Nichrome Copper 20. Lemon is a source of ................acid ascorbic lactic amino citric ethanoic 21. Jessica sold her airpod set to Tolu at a profit of 10% and Tolu sold it for $2,612.50 at a loss of 5%. What was the cost of the airpod set to Jessica? $2,650 $2,375 $2,272 $2,500 $2,488 22. Choose the word that best completes the sentence:He invited me around to see his _________ acquisition, a new BMW. damaging latest grudging casual crowning 23. A catalyst which increases the rate of a chemical reaction does so by? Decreasing the activation energy of the reaction Increasing the reaction pathway Increasing the pressure on the system Increasing the surface area of the reaction 24. Choose the word that best completes the sentence:Here _____ the book and the workbook that you will need for this course. were is was are 25. Expand (a - b)(a + b) a² + 2ab + b² a² - 2ab + b² a² - b² a² - 2ab - b² a² + 2ab - b² 26. In galvanizing iron, the metal which coats the iron is zinc gold tin silver aluminium 27. If 45% of the Nigerian naira (N) is equal to 35% of the American dollar ($), the conversion rate of $1 = N 20/7 N 7/9 N 9/7 N 7/20 N 20/9 28. 8.048 to the nearest tenth is 10 8 8.1 8.0 8.05 29. Choose the word that best completes the sentence:Neither she nor the men _____ the permission to lock that office. are have has is 30. A grocer sells an article for $54 at a profit of 8%. What is her percentage profit or loss if she sells the same article for $44? 18.5% profit 25% loss 12% loss 18.5% loss 12% profit 31. Evaluate, without using calculator/tables, (0.35 × 0.84) ÷ 0.0105 0.28 0.0028 280 2.8 28.0 32. [Junior school mathematics] Solve the inequality3x - 2 > x + 2 33. If 'a' denotes unknown value and is increased by 2, result will be 12 then equation for this statement will be a = 12 + 2 a - 2 = 12 2a = 12 a + 2 = 12 34. Simplify -4 × -6 × 2 48 12 -48 24 -24 35. Find the size of angle x in the figure below 24° 56° 84° 36° 36. Choose the word that best completes the sentence:Either the stewards or Mary ____ manning the info desk at the conference. are will was is 37. Choose the word that best completes the sentence:Everyone ____ expected to come with their passports. are were is was 38. Find the mean and the modal marks respectively given the following data: 3, 4, 9, 3, 5, 5, 2, 4, 4, 6, 6, 6, 8, 7, 5, 7, 7, 6, 5, 6 5, 6 5.25, 6 5.4, 5 5.4, 6 5.5, 5.5 39. Choose the word that best completes the sentence:He spoke English with a _________ French accent. chronic widespread average careless pronounced 40. The bearing of Q from P is 270°. What is the bearing of P from Q? 180° 150° 045° 270° 090° 41. In a mock quiz taken by 40 boys and y girls, the mean scores were 5.5 and 6 respectively. If the total score was 412, find the value of y 36 30 38 32 34 42. Choose the word that best completes the sentence:We need to find a new site with _________ access to the European motorway network. wholehearted ready pronounced widespread outright 43. Chemistry is a branch of science which can be used for providing the services to mankind. Comment on the statement. False May Be Strongly not True 44. Find the smallest number by which 504 must be multiplied so that the product is a perfect square. 21 3 7 14 2 45. Choose the word that best completes the sentence:Elize and Raveshan _____ our new project managers. was are has is 46. 0.009238 to 3 significant figures. 0.01 0.009 0.00923 0.923 0.00924 47. Find the measure of angle A in the figure below. 51° 98° 103° 87° 48. For the following set of numbers: 8, 3, 7, 5, 4, 2, 6, 5, 1, 3the range and the median are, respectively, 7, 3 8, 4.5 10, 5 7, 4.5 7, 5 49. If a : b = 1/4 : 3/8 and b : c = 1/3 : 4/9, what is a : c ? 9 : 8 2 : 1 1 : 2 8 : 3 3 : 8 50. If sum of 4 consecutive numbers is 98 then equation derived for this statement can be written as a + (a + 1) + (a + 2) + (a + 3) = 98 a + 1 + 2 + 3 = 98 (a)(1)(2)(3) = 98 a + (a + 1) + (a + 2) + (a + 3) = 98a 1 out of 50 Time is Up! Time's up