Fractions and Decimals (IMO- Mathematics Olympiad Class 5): Questions 79 - 86 of 91

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Question number: 79

» Fractions and Decimals

MCQ▾

Question

I think of a decimal number. After I have multiplied it by 7 from it then added 3.1 and then I have subtracted 6.7, I get 0.1. What is the decimal number?

Choices

Choice (4) Response

a.

52

b.

0.52

c.

5.2

d.

All of the above

Question number: 80

» Fractions and Decimals

MCQ▾

Question

What is 5643.098 rounded to the nearest tens.

Choices

Choice (4) Response

a.

5643

b.

5643.1

c.

5643.99

d.

5643.0

Question number: 81

» Fractions and Decimals

MCQ▾

Question

What is 5040.675 rounded to the nearest value?

Choices

Choice (4) Response

a.

5041

b.

5042

c.

5039

d.

5040

Question number: 82

» Fractions and Decimals

MCQ▾

Question

How many minutes in 45 of an hour?

Choices

Choice (4) Response

a.

8

b.

4

c.

84

d.

48

Question number: 83

» Fractions and Decimals

MCQ▾

Question

Which fraction is equal to 34.5?

Choices

Choice (4) Response

a.

34.5

b.

34510

c.

345

d.

345100

Question number: 84

» Fractions and Decimals

MCQ▾

Question

Half of a number is 8. What is 27 of the same number?

Choices

Choice (4) Response

a.

447

b.

32

c.

167

d.

232

Question number: 85

» Fractions and Decimals

MCQ▾

Question

What fraction of the figure is yellow shaded?

 A square divided in some parts and shaded with two colors

a Square Divided in Some Parts and Shaded With Two Colors

Showing and image of a square divided in some parts and shaded with two colors

Choices

Choice (4) Response

a.

18

b.

28

c.

12

d.

Question does not provide sufficient data or is vague

Question number: 86

» Fractions and Decimals

MCQ▾

Question

I thought of a decimal number. After I had multiplied it by 3, then added 2.5 and then divided by 3, I got 3.5. what was the decimal number?

Choices

Choice (4) Response

a.

1

b.

2.67

c.

2

d.

All of the above

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