IMO Practice Test — Multiplying Fractions
6 Questions • 25 min • Olympiad level
25:00
Question 1 of 6
hard
5/8 × 24 = ?
15
12
8
40
Explanation: 5 × 24 = 120, ÷ 8 = 15.
Question 2 of 6
medium
3/5 of 30 students play sport. How many?
12
18
10
6
Explanation: 30 ÷ 5 = 6, then × 3 = 18.
Question 3 of 6
medium
Half of 3/4 is…
3/8
3/2
1/4
6/4
Explanation: 1/2 × 3/4 = 3/8.
Question 4 of 6
hard
5/4 written as a mixed number is…
1¼
4¼
5¼
¼
Explanation: 4/4 = 1, leaving 1/4 → 1¼.
Question 5 of 6
hard
2/3 of ₹90 is…
₹30
₹60
₹45
₹120
Explanation: 90 ÷ 3 = 30, then × 2 = ₹60.
Question 6 of 6
medium
2/7 × 21 = ?
6
7
3
42
Explanation: 2 × 21 = 42, ÷ 7 = 6.