31. Which sequence isn’t a geometric progression?

• 2, 6, 18, 54
• 3, 6, 9, 12
• 1, 5, 25, 125
• 4, 8, 16, 32

32. See if you can find the solution to this problem!

If the temperature today is 7 degrees Celsius, and yesterday it was 13 degrees Celsius cooler, what was the temperature yesterday?

• -6 degrees Celsius
• -5 degrees Celsius
• 0 degrees Celsius
• 6 degrees Celsius

33. Can you work this problem out?

Brenda is cooking couscous. The recipe says she requires 480 grams of couscous for 4 people. How many will she need for 14?

• 2540g
• 1920g
• 1250g
• 1050g
• 1680g
• 1480g

34. Can you correctly identify this triangle?

• Acute
• Right
• Scalene
• Obtuse
• Isosceles
• Equilateral

35. Can you correctly complete this sequence?

88511, 16351, ?, 10251

• 73155
• 14252
• 25362
• 33367
• 54673
• 92842

36. How about this sequence…can you complete it?

131, 517, ?, 123

• 242
• 111
• 164
• 419
• 192
• 375

37. Imagine each letter of the word “Mathematical” is written on individual pieces of paper and placed in a bag. Should you pick a random letter from that bag, what is the probability that you pick a vowel?

• 1 in 2
• 1 in 3
• 1 in 4
• 5 in 12
• 7 in 12
• 7 in 9

38. In a marathon, 90% of runners managed to complete it and 30% of them were men. If 270 men completed it, how many total runners began the marathon?

• 630
• 750
• 800
• 900
• 1000
• 1200

39. Can you solve this equation?

• 10
• 15
• 16
• 20
• 24
• 30

40. It takes 10 road workers 5 days to complete a road repair when working 2 hours a day. Working at the same pace, how many days will it take 2 people working 5 hours a day to finish it?

• 2
• 6
• 8
• 10
• 15
• 20