IMO Level 1- Mathematics Olympiad (SOF) Class 4: Questions 78 - 83 of 615

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Question 78

Question

MCQ▾

The picture below shows a copy of four different books. The number under each book is the total number of copies of the book sold last year.

Image Showing the Four Different Books

Which books sold a number of copies that has a 9 in the thousand՚s place?

Choices

Choice (4)Response

a.

Kids book

b.

Music book

c.

Sports book

d.

History book

Question 79

Question

MCQ▾

Which number has a 7 in the ten՚s place?

Choices

Choice (4)Response

a.

9,754

b.

9,371

c.

8,457

d.

7,268

Question 80

Question

MCQ▾

What is 156347 rounded to the nearest thousand?

Choices

Choice (4)Response

a.

156300

b.

156000

c.

150000

d.

156340

Question 81

Question

MCQ▾

________

Choices

Choice (4)Response

a.

b.

c.

d.

Question 82

Question

MCQ▾

Ronak Won exactly of the cards for A place. Which of the following could be the group of cards Ronak won?

Choices

Choice (4)Response

a.

Correct Group of Cards Ronak Won: Choice A

b.

Correct Group of Cards Ronak Won: Choice B

c.

Correct Group of Cards Ronak Won: Choice C

d.

Correct Group of Cards Ronak Won: Choice D

Question 83

Question

MCQ▾

Dhyani had four numbers. She used each number only once to make a large number.

Image Showing the Four Numbers

If Dhyani put the 1 in the ten՚s place, what would be the largest number she could make?

Choices

Choice (4)Response

a.

8315

b.

8153

c.

8513

d.

8531