JSS One Mathematics OBJ Exam Questions

First Term Examination Questions

1. What is the place value of 5 in 345,784,311
A. 5 million
B. 5 thousand
C. 5 hundreds of thousands
D. 5 tens of million

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2. What are the first two multiples of 10
A. 10 and 15
B. 2 and 5
C. 10 and 20
D. 20 and 30

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3. What is the fifth multiple of 20?
A. 200
B. 40
C. 800
D. 100

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4. Express 2 × 2 × 2 × 3 × 3 × 5 in index notation
A. 2² × 3² × 5
B. 2³ × 3² × 5²
C. 2 × 2 × 3 × 5
D. 2³ × 3² × 5

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5. Binary numbers are made up of two digits namely
A. 1 and 2
B. 0 and 2
C. 1 and 4
D. 0 and 1

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6. Convert 8 to a number in base two.
A. 1101₂
B. 111₂
C. 100₂
D. 1000₂

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7. Simplify 110₂ + 11₂
A. 1100₂
B. 1101₂
C. 1001₂
D. 111₂

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8. Arrange the following numbers in order of magnitude 1, 0, −1, 2, −4
A. 1 < 0 < −2 < −4 < 1
B. −4 < −1 < 0 < 1 < 2
C. −1 < 1 < 0 < 2 < −4
D. 0 < −1 < 1 < 2 < −4

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9. Evaluate 3 − (−7) + 5
A. 10
B. 15
C. -5
D. 5

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10. Add 0.4561 and 1.6431
A. 2.4571
B. 2.0992
C. 0.3571
D. 2.1022

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11. What is $\frac{1}{2}$ of 42
A. 21
B. 40
C. 13
D. 18

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12. Find the first two equivalent fractions of $\frac{2}{3}$
A. $\frac{4}{6}$ and $\frac{6}{9}$

B. $\frac{4}{9}$ and $\frac{12}{15}$

C. $\frac{6}{9}$ and $\frac{10}{30}$

D. $\frac{10}{15}$ and $\frac{12}{18}$

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13. Express $\frac{12}{16}$ in its lowest term
A. $\frac{3}{4}$

B. $\frac{6}{8}$

C. $\frac{3}{16}$

D. $\frac{2}{3}$

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14. One million, three hundred and six thousand, three hundred and seventy-eight can be written in figures as…
A. 11,324,381
B. 1,306,378
C. 1,360,387
D. 10,306,378

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15. What is the place value of eight in 841,372,104,372,111?
A. hundreds of trillion
B. hundreds of billion
C. hundreds of million
D. hundreds of thousands

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16. What is the lowest common factor(LCM) of 8 and 12
A. 12
B. 18
C. 24
D. 60

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17. Express 16 as a product of two factors
A. 3 × 4
B. 6 × 4
C. 4 × 4
D. 8 × 4

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18. What is the highest common factor (HCF) of 12 and 18
A. 2
B. 4
C. 6
D. 8

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19. Convert 100₂ to a number in base ten
A. 2
B. 4
C. 8
D. 10

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20. Simplify 110₂ × 10₂
A. 1100₂
B. 1111₂
C. 10001₂
D. 11001₂

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21. Evaluate 8114 − 6666
A. 1448
B. 2356
C. 4123
D. 1371

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22. Evaluate −3 − 10 + 11
A. -2
B. -1
C. 1
D. 2

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23. Simplify 17.02 + 13.3
A. 30.32
B. 20.05
C. 30.41
D. 30.41

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24. Which of these numbers is not a factor of 12
A. 2
B. 3
C. 4
D. 5

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25. What is the place value of 4 in the figure 0.2340
A. 4 millionth
B. 4 tenth
C. 4 hundredth
D. 4 thousandth

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26. Simplify $\frac{7}{12}$ + $\frac{3}{12}$
A. $\frac{5}{6}$

B. $\frac{7}{10}$

C. $\frac{3}{12}$

D. $\frac{3}{7}$

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27. Evaluate 14.68 + 2.15
A. 16.77
B. 16.83
C. 14.84
D. 20.67

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28. The figure 1,000,000,001. Can be written in words as
A. one trillion and one
B. one billion and one
C. one million and one
D. one billion and one hundred

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29. Two partners engaged in a business and they made a profit of $568. How much will each receive, if they agree that the profit would be shared equally?
A. $432
B. $235
C. $284
D. $334

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30. Numbers to the left of the neutral integer ‘0’ on the number line are called….
A. Positive Integers
B. Negative integers
C. integers
D. neutral integers.

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Second Term Examination Questions

31. Evaluate ${\left(\frac{3}{5}\right)}^2$
A. $\frac{6}{10}$
B. $\frac{5}{7}$
C. $\frac{8}{30}$
D. $\frac{9}{25}$

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32. 10m is equivalent to ….
A. 50cm
B. 100cm
C. 1,000cm
D. 10,000cm

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33. What is the difference between the actual value and the approximated value of 24 + 59
A. 3
B. 4
C. 5
D. 4

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34. Approximate 34.678 to 2 decimal places.
A. 35
B. 34. 678
C. 34.68
D. 34.7

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35. Find the value of x + 21 if x = 8
A. 13
B. 21
C. 28
D. 29

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36. Simplify 3a + 5b - 2a - 2b
A. a + 3b
B. 5a + 7b
C. 4a - 3b
D. 3a + b

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37. What is the coefficient of x in the expression 3𝑦 − 7𝑥 + 6
A. 3
B. 5
C. -7
D. 7

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38. Find the value of x if 𝑥 − 5 = 20
A. 15
B. 25
C. 20
D. 30

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39. A cyclist covers 5$\frac{1}{2}$ km in one hour. If he moves at the same speed, what distance will he cover in 7$\frac{1}{4}$ Hours?
A. 39$\frac{7}{8}$km

B. 50km
C. 8km

D. 12$\frac{1}{5}$km

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40. 1𝑚² is equivalent to…
A. 100𝑐𝑚²
B. 1,000𝑚²
C. 10,000𝑐𝑚²
D. 100,000𝑐𝑚²

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41. Round off 23,897 to the nearest hundred
A. 24,000
B. 23,900
C. 23,800
D. 20,00

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42. Simplify $\frac{\mathrm{12𝑥𝑦}}{\mathrm{3𝑦}}$
A. 3$\mathrm{y}$
B. 4$\mathrm{x}$
C. 6$\mathrm{xy}$
D. 4$\mathrm{xy}$

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43. Remove the bracket and simplify the expression 4p+(2p+5)
A. 6p + 5
B. 8p + 5
C. 3p + 7
D. 11p

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44. What is the coefficient of y in the expression 3𝑥 + 27𝑦 + 7𝑥 −7y
A. 27
B. 20
C. 7
D. -7

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45. When x is added to 15, the result is 20. What is the value of x
A. 5
B. 10
C. 15
D. 20

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46. Which of these is not a unit of length
A. critometre
B. centimetre
C. decametre
D. decimeter

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47. Which of these is an estimated length of your MAN Mathematics Textbook
A. 10cm
B. 15cm
C. 20cm
D. 25cm

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48. What unit of measurement will you use to measure the distance between Lagos and Abuja?
A. millimetre
B. centimetre
C. metre
D. kilometer

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49. Before the discovery of the standard measurement, handspan was used in measuring …
A. length
B. weight
C. area
D. volume

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50. Round off 0.3456 to 3 decimal places
A. 0.345
B. 0.346
C. 0.35
D. 0.3

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51. Identify the coefficient of t in $\frac{1}{5}$-$\frac{\mathrm{t}}{2}$
A. $\frac{1}{2}$

B. 2

C. −$\frac{1}{2}$

D. 5

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52. Evaluate 1.343+0.5613
A. 1.9043
B. 0.9543
C. 1.3421
D. 2.5643

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53. A crate contains 3p bottles and 5q bottles of soft drinks. Another crate contains 2p bottles and 7q bottles of soft drinks. How many bottles of soft drinks are there?
A. 17p
B. 17pq
C. 5p + 12q
D. 8p + 9q

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54. What is the coefficient of 𝑥 in 𝑥
A. 0
B. 1
C. 2
D. 3

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Use the information below to answer question 55 and 56
In a mathematics exam, Ane, Ava and Pat scored 𝑝, 𝑞 and 𝑟 respectively.
55. What is their total scores?
A. pqr
B. 𝑝 + 𝑞 + 𝑟
C. 3𝑝𝑞𝑟
D. 𝑝 + 𝑞 − 𝑟

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56. What is their average score?

A. $\frac{\mathrm{𝑝𝑞𝑟}}{3}$

B. $\frac{\mathrm{𝑝+𝑞+𝑟}}{3}$

C. $\frac{3}{\mathrm{𝑝+𝑞+𝑟}}$

D. $\frac{\mathrm{𝑃+𝑞-𝑟}}{3}$

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57. Determine the value of 3𝑥 − 7 + 2𝑥 when 𝑥 = 3
A. 5
B. 6
C. 7
D. 8

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58. Round off 25493 to the nearest thousand
A. 25490
B. 25400
C. 25500
D. 25000

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59. Find the value of 𝑥 in 2𝑥 = 18
A. 7
B. 8
C. 9
D. 10

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60. Simplify ×
A. $\frac{2}{8}$

B. $\frac{1}{8}$

C. $\frac{1}{2}$

D. 1

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Third Term Examination Questions

61. Arrange the numbers -4, 0, and -6 in descending order of magnitude
A. -6, -4, 0
B. -6,0,-4
C. 0,-6,-4
D. 0, -4, -6

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62. Reduce $\frac{48}{60}$ to its lowest term
A. $\frac{1}{5}$

B. $\frac{3}{5}$

C. $\frac{4}{5}$

D. $\frac{24}{3}$

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63. Evaluate 13-(-15)
A. -195
B. -28
C. 8
D. 28

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64. Which of the following is a prime number?
A. 21
B. 15
C. 7
D. 6

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65. Solve 3𝑥 + 1 = 7 + 𝑥
A. +3
B. -3
C. 4
D. -4

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66. Write the number eight billion, five hundred million and twelve in figure
A. 800,500,000,012
B. 8,500,000,012
C. 850,000,012
D. 85,000,012

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67. What is the name given to a four-sided polygon?
A. Triangle
B. Quadrilateral
C. Heptagon
D. Hexagon

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68. Solve $\frac{1}{2}$𝑥 = $\frac{3}{4}$

A. 𝑥 = $\frac{3}{2}$

B. 𝑥 = 2

C. 𝑥 = $\frac{3}{4}$

D. 𝑥 = 3

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69. What is the HCF of 24 and 18
A. 6
B. 4
C. 3
D. 2

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70. What is the LCM of 2s², tu² and 7stu
A. 14s2²t²u
B. 14s²tu
C. 14s²tu²
D. 14stu²

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71. What are the prime factors of 60?
A. 2x3x4
B. 2x4x5
C. 2x2x3x5
D. 2x2x3x5x7

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72. Express 6$\frac{1}{2}$ as an improper fraction
A. $\frac{13}{2}$

B. $\frac{12}{5}$

C. $\frac{13}{3}$

D. $\frac{3}{5}$

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73. Write 5% as a fraction to its lowest term
A. $\frac{1}{5}$

B. $\frac{2}{5}$

C. $\frac{3}{5}$

D. $\frac{1}{20}$

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74. What is the value of $\frac{3}{20}$ as a decimal number
A. 017
B. 0.16
C. 0.15
D. 0.14

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75. What are the first three multiples of 4
A. 4, 8 and 12
B. 8, 12 and 16
C. 12, 16, and 20
D. 16, 20 and 24

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76. The number 531 is written in words as
A. five thousand and thirty- one
B. fifty-three
C. five hundred and thirty-one
D. three hundred and fifty-one

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77. The number -1 is greater than
A. 2
B. 0
C. -18
D. 3

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78. Change $\frac{3}{4}$ to percentage
A. 70%
B. 75%
C. 65%
D. 60%

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79. $\frac{1}{4}$ is equivalent to

A. $\frac{2}{5}$

B. $\frac{4}{8}$

C. $\frac{2}{8}$

D. $\frac{2}{6}$

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80. Express $\frac{11}{5}$ as a mixed number
A. 1$\frac{1}{5}$

B. 2$\frac{2}{5}$

C. 3$\frac{1}{5}$

D. 2$\frac{1}{5}$

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81. Any line drawn through the centre of a circle that divides the circle into two equal parts is called…
A. Diameter
B. Radius
C. Chord
D. Segment
82. Express 48_ten to binary number
A. 110000_two
B. 110011_two
C. 110001_two
D. 100001_two

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83. Express 0.375 as a fraction in the lowest term
A. $\frac{3}{5}$

B. $\frac{5}{3}$

C. $\frac{8}{3}$

D. $\frac{3}{8}$

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84. Simplify $\frac{3}{4}$ - $\frac{1}{3}$

A. $\frac{11}{8}$

B. $\frac{1}{3}$

C. $\frac{5}{12}$

D. $\frac{1}{6}$

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85. Simplify 16 + (-9) – (+10)
A. -4
B. -3
C. -2
D. -1

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86. A man has ₦x. He spends ₦20. If he now has ₦50, how much had he before
A. ₦20
B. ₦30
C. ₦50
D. ₦70

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87. Simplify 3𝑦 − 4𝑥 + 4𝑥 − 1
A. . 3𝑥 − 1
B. 3𝑥 + 1
C. 3𝑦 + 8𝑥 − 1
D. 3𝑦 − 1

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88. Find the values of 101 + 98 + 3014 + 5
A. 3208
B. 3218
C. 2318
D. 3128

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89. How many minutes in 180 seconds?
A. 6 minutes
B. 5 minutes
C. 4 minutes
D. 3 minutes

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90. If x + 3 = 7, then what is the value of x?
A. 1
B. 2
C. 3
D. 4

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