IMO Arithmetic and Operations

Question 1

What is 256 ÷ 16?

Accepted Answer

16

Answer

14

Answer

18

Answer

20

Question 2

Which of the following is the correct order of operations for 3 + 4 × 2?

Accepted Answer

11

Answer

14

Answer

24

Answer

10

Question 3

What is 15% of 200?

Accepted Answer

30

Answer

20

Answer

25

Answer

35

Question 4

A shopkeeper bought goods for $450 and sold them for $540. What is the profit percentage?

Accepted Answer

20%

Answer

15%

Answer

18%

Answer

25%

Question 5

What is the value of (48 + 32) ÷ (5 × 4)?

Accepted Answer

4

Answer

2

Answer

6

Answer

8

Question 6

If a car travels 240 km in 4 hours, what is its average speed?

Accepted Answer

60 km/h

Answer

50 km/h

Answer

70 km/h

Answer

80 km/h