IMO 2020 Level 2

What is the missing number in the box?

• 4

• 10

• 8

• 18

If the smallest 4-digit number is multiplied by 2 and 20 is added to the product, then the resulting number is ______.

• 2002
• 2200
• 2020
• 220

If you buy 2 cold drinks, 3 chocolates and 1 toy car, then how much amount of money you need to pay?

• ₹ 110

• ₹ 150

• ₹ 120

• ₹ 170

There were 40 tables in each row in an auditorium having 10 rows. If there were 49 fewer chairs than tables, then find the number of chairs.

• 272
• 351
• 271
• 105

• 30

• 6

• 18

• 4

The given clocks shows Sushmita's dinner time and her friend Shashank's dinner time. How much earlier is Sushmita's dinner time than her friend Shashank's dinner time?

• 2 hrs 30 mins

• 1 hr 30 mins

• 2 hrs

• 3 hrs 30 mins

Dividing 81 by x the answer is x and dividing 54 by x the answer is 6, so the value of x is:

• 1
• 6
• 3
• 9

• 
• 
• 
• 

Find the difference between the smallest four-digit number and the greatest four-digit number formed by using the digits 8, 9, 1 and 2.

• 8523
• 8352
• 8532
• 8253

• 10 kg

• 30 kg

• 60 kg

• 40 kg