21. Can you find the right solution?

• 2
• 4
• 6
• 8

22. What is 2,648 to two significant figures?

• 2,600
• 2,640
• 2,650
• 2,700

23. Which number is 3% equivalent to?

• 0.3
• 0.03
• 0.003
• 300

24. Can you find the correct solution?

• -30
• 30
• -90
• 90

25. Can you find the correct total of this sum?

• 3,404
• 3,409
• 3,339
• 3,561

26. What is the value of ‘X’?

• 53
• 57
• 63
• 67

27. What is the value of ‘Y’?

• 5
• 6
• 7
• 8

28. Which digits are represented by question marks in this equation?

• 4, 5
• 5, 6
• 6, 7
• 8, 9

29. What is the solution to this equation?

• 81.5
• 83.6
• 87.1
• 91.3

30. Can you answer this problem?

• 16
• 18
• 20
• 22