IMO 2021 Level 2

A school has been closed for summer vacations from 26th April to 10th June. Find the number of holidays.

• 46
• 45
• 44
• 47

There were 38 more children than adults in a restaurant. If there were 79 adults, then how many people were there altogether?

• 117
• 155
• 158
• 196

• 0

• 1

• 2

• 3

A prescription for medicine from a clinic is given below.

How many tablets would Lovely take in 1 week?

• 14

• 21

• 36

• 42

Form the smallest 4-digit even number using all digits 7, 4, 1 and 0. Then subtract 648 from it. What is the result?

• 326
• 426
• 334
• 338

How many more visitors entered the zoo between 2 p.m. and 4 p.m. than between 6 p.m. and 8 p.m.?

• 120

• 100

• 80

• 40

A book has 50 pages. Kamini crossed out 4 odd numbered pages and 5 even numbered pages. How many odd numbered pages are not crossed out?

• 9
• 20
• 21
• 39

There are 40 tricycles and 24 bicycles in a park. How many more wheels of tricycles are there than that of bicycles?

• 46
• 82
• 72
• 76

If 31 + 32 + 33 + 34 + 35 is equal to 165, then which of the following has the same value as 41 + 42 + 43 + 44 + 45?

• 165 + 5
• 165 + 25
• 165 + 30
• 165 + 50

The difference between 456 tens and _?_ is 2456. What is the missing number?

• 2912
• 2000
• 2104
• 7016