IMO Practice Test — Measurement Conversions
6 Questions • 12 min • Olympiad level
12:00
Question 1 of 6
hard
How many seconds are in 2 minutes 30 seconds?
150
120
230
90
Explanation: 2 × 60 + 30 = 150 seconds.
Question 2 of 6
hard
A ribbon 3 m long is cut into 30 cm pieces. How many pieces?
10
30
3
100
Explanation: 3 m = 300 cm; 300 ÷ 30 = 10 pieces.
Question 3 of 6
medium
Add 750 g + 750 g. How much in kilograms?
1 kg 500 g
1 kg 50 g
1500 kg
1 kg 5 g
Explanation: 750 + 750 = 1500 g = 1 kg 500 g.
Question 4 of 6
hard
A tank holds 10 L. After using 3500 mL, how much is left?
6 L 500 mL
7 L 500 mL
6 L 50 mL
6500 L
Explanation: 10 L = 10000 mL; 10000 − 3500 = 6500 mL = 6 L 500 mL.
Question 5 of 6
medium
How many minutes are in half a day?
720
360
60
1440
Explanation: 12 hours × 60 = 720 minutes.
Question 6 of 6
medium
A road is 3 km 500 m long. How many metres is that?
3500 m
3050 m
350 m
3005 m
Explanation: 3000 + 500 = 3500 m.