IMO Practice Test — Multiplying Fractions
6 Questions • 25 min • Olympiad level
25:00
Question 1 of 6
medium
1/2 × 1/2 × 1/2 = ?
1/6
1/8
3/2
1/4
Explanation: (1×1×1)/(2×2×2) = 1/8.
Question 2 of 6
medium
1/10 of 100 = ?
1
10
100
1000
Explanation: 100 ÷ 10 = 10.
Question 3 of 6
medium
7/10 × 100 = ?
70
7
17
700
Explanation: 7 × 100 = 700, ÷ 10 = 70.
Question 4 of 6
hard
3/4 of an hour is how many minutes?
30
45
15
40
Explanation: 60 ÷ 4 = 15, then × 3 = 45 minutes.
Question 5 of 6
hard
2¼ written as an improper fraction is…
9/4
8/4
6/4
4/4
Explanation: 2 = 8/4, + 1/4 = 9/4.
Question 6 of 6
hard
2/3 × 1 = ?
2/3
3/2
1
2
Explanation: Any number times 1 is itself: 2/3.