**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