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. Add 11010two + 1011two. 111000 110000 11010 110001 100101 2. 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 12 8 9 15 3. Calculate the area of a circle whose diameter is 7 cm. 44 cm² 22 cm² 38 cm² 154 cm² 38.5 cm² 4. Write down in words the value of the digit 4 in the number below.0.0248 tenths hundredths tens thousandths 5. If 2x - y = 6 and 2x + 4y = 1, the value of 4x + 3y is 1 3 5 7 6. The sum of a certain number and 18 is 40. What is the number? 20 28 22 26 24 7. The table below gives the ages of a group of students in a school club.Obtain the mode. 12 16 14 15 13 8. Two concentric circles have radii 2 cm and 3 cm respectively, calculate the ratio of their areas. 7 : 88 4 : 9 8 : 18 7 : 198 9 : 88 9. A shape is made from 6 cubes as shown below:What is the number of planes of symmetry for this shape? 1 2 4 3 10. Convert 107ten to a number in base two. 1100111 111011 1101111 1100011 1101011 11. Round off 0.004365 correct to 2 significant figures. 0.0044 0.0043 0.44 0.00437 0.004 12. Approximate 0.4059 to 3 significant figures. 0.4 0.405 0.41 0.40 0.406 13. A shop sells eggs in boxes of six. 25 boxes of eggs are examined. The table below gives the number of broken eggs in the boxes.Calculate the mean number of broken eggs. 0.96 1 0.48 0.24 0 14. [Junior school mathematics] Solve the inequality4x + 1 ≥ 5x - 3 x ≥ -4 x < 4 x ≥ 4 x ≤ 4 15. Approximate 0.4059 to 2 significant figures. 0.406 0.40 0.41 0.405 0.4 16. The diagram shows 8 points labelled A to H. Which two points does the line y = 4 passes through? A; D C; H E; G B; F 17. The average rainfall as recorded was as follows: 13, 15, 14, 13, 13, 13, 12, 16. What is the modal rainfall? 16 12 13 14 15 18. Evaluate: (xy² - yz²) (x²z - xyz) when x = 2, y = -2 and z = -½ 0 -34 -28 -30 19. Find the radius of a circle having 154 cm² as its area. (π = 22/7) 7 cm 24.5 cm 14 cm 3.5 cm 49 cm 20. Factorise 27 – 3p2 completely 3(p + 3)(p - 3) 3(p- 3)² 3(3 + p)(3 - p) (3 + p)(3 - p) (p + 3)(p- 3) 1 out of 20 Time is Up! Time's up