23/04/2020 Junior Class NECO/BECE Mock Exams(Mathematics) 23/04/2020 0Comments by Gate Academy Please, fill out the information below to continue. NAME EMAIL PHONE NUMBER 1. Find the HCF of 63 and 90. 12 3 6 9 2. [Junior school mathematics] Write the values of w that satisfy the inequality graph -1, 0, 1, 2, 3, ... 7 -1, 0, 1, 2, 3, ....8 0, 1, 2, 3, ... 7 0, 1, 2, 3, ... 8 3. Find the median of the set of numbers 5, 6, 3, 4, 6, 5, 5, 7, 3 3 7 6 4 5 4. The bearing of A from P is 243°. Find the bearing of P from A 063° 153° 117° 333° 047° 5. Evaluate 3134 – 1314 + 3334 211 base 4 1312 base 4 1311 base 4 1121 base 4 6. The profit on a business was shared between two sisters Tara and Tise in the ratio 3 : 4. If Tise received $8,000 more than Tara, find the profit shared. $42,000 $24,000 $56,000 $32,000 $65,000 7. If 5 is subtracted from twice a certain number, the result is the same as adding 8 to the original number. Express this statement as an equation. 2x + 5 = x -8 2(5 - x) + 8 = x 5 - 2x = x + 8 2x - 5 = x + 8 x - 25 = 8 + x 8. Factorize the expression:x(p-q) + y(q-p) (p-q)(y-x) (p+q)(x-y) (p+q)(x+y) (p-q)(x-y) 9. Evaluate[1/0.3 ÷ 1/3.03] - (0.5 × 0.25) correct to 2d.p 9.98 9.90 9.97 10.00 10. What is 0.021728 to 3 significant figures? 0.0218 0.022 0.021 0.0217 0.02173 11. From the top of a building, a boy is watching a lizard on the ground. If the angle of depression of the lizard is 45° and the lizard is 15m away from the building, how high is the building to the nearest metres? 15m 10m 35m 12m 65m 12. [Junior school mathematics] Re-write the sentence using inequality signs.A lift can carry between 1 and 8 people 1 ≥ n > 8 1 < n < 8 n ≥ 8 1 ≤ n ≤ 8 13. If 2x - y = 6 and 2x + 4y = 1, the value of 4x + 3y is 7 5 1 3 14. A man is four times as old as his son. In 5 years’ time he will be three times as old as his son. What is the age of the son in years 10 8 15 9 12 15. The product of two numbers is 21.if one of the numbers is – 7, find the second one -3 3 -4 -2 -5 16. The number 635eight, converted to base five is 3213 base 5 413 base 5 3123 base 5 4132 base 5 17. Factorise 27ab + 36b² ab(27 + 36b) 6b²(3a - 4b) 3a(9b + 6b²) 9b(3a - 4b) 9b(3a + 4b) 18. Expand: (a + 2b)(a – 2b) a² + 4ab - 4b² a² + 4b² a² - 4b² a²-4ab² + b² a² - 4b² + b² 19. Write 0.00054 in standard form. 54 × 10^3 5.4 × 10^2 0.54 × 10^3 5.4 × 10^-3 5.4 × 10^-4 20. The following data was recorded by a student in the laboratory: 6, 8, 5, 4, 5, 6, 5, 5, 8, 8. Find the mode. 5 8 9 4 6 1 out of 20 Time is Up! Time's up