MATHEMATICS exercise FOR JSS2

1. Express 18 as a product of its prime factors
a) 3 x 3 = 32 b) 2 x 3 x 3 = 22 x 32
c) 2 x 2 x 3 x 3 = 22 x 32 d) 2 x 2 x 3
d) 2 x 2 x 2 x 3 = 23 x 31

2. Find the HCF of 36 and 60
a) 12 b) 14 c) 16 d) 18 e) 22

3. Evaluate 62
a) 12 b) 14 c) 24 d) 36 e) 42

4. Find the square root of 25
a) 5 b) 10 c) 15 d) 20 e) 25

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5. Find 10% of 400
a) 10 b) 20 c) 30 d) 40 e) 50

6. Convert 3:4 to percentage
a) 55 b) 65 c) 75 d) 85 e) 95

7. Find the simple interest on N500 for 2 years
a) 1 b) 2 c) 3 d) 4 e) 5

8. Round off 9324 to 1 significant figure
a) 9.32 b) 9.3 c) 932 d) 9000 e) 9.300

9. What is the multiplicative inverse of 11/20?
a) 1/2 b) 0/2 c) 20/2
d) 11/12 e) 2/11

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10. Simplify ab(a – b)
a) aba – abb b) abba – bb c) bb – aba d) aa – aba e) ba – aba

11. How many lines of symmetry has a square?
a) 3 b) 4 c) 5 d) 6 e) 7
Use the diagram below to answer questions 12, 13 and

12. What is the value of angle a?
a) 76o b) 77o c) 78o d) 79o e) 80o

13. What is the value of angle b?
a) 100o b) 101o c) 102o d) 103o e) 104o

14. What is the value of angle c?
a) 76o b) 77o c) 78o d) 79o e) 80o

15. The cardinal points are made up of primary directions of ____
a) North East, South, and West b) North East and West
c) North, East and West
d) North, East, SouthNorth and West e) North, West

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