IMO Practice Test — Metric & Customary Conversion
6 Questions • 25 min • Olympiad level
25:00
Question 1 of 6
hard
How many hours are there in 2 days?
24
36
48
60
Explanation: 2 × 24 = 48 hours.
Question 2 of 6
hard
How many seconds are there in 5 minutes?
50
150
300
500
Explanation: 5 × 60 = 300 seconds.
Question 3 of 6
hard
A wall is 5 m long. How many 50 cm tiles fit along it?
5
10
25
100
Explanation: 5 m = 500 cm; 500 ÷ 50 = 10 tiles.
Question 4 of 6
hard
A 2 km road: a car has driven 1500 m. How much is left?
500 m
1500 m
300 m
1000 m
Explanation: 2 km = 2000 m; 2000 − 1500 = 500 m.
Question 5 of 6
hard
How many 250 g packs make 1 kg?
2
3
4
5
Explanation: 1000 ÷ 250 = 4.
Question 6 of 6
medium
A 1 kg cake is shared into 4 equal pieces. Each piece is…
200 g
250 g
500 g
100 g
Explanation: 1000 ÷ 4 = 250 g.