IMO Level 1- Mathematics Olympiad (SOF) Class 5: Questions 395 - 399 of 838

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Question number: 395

» Fractions and Decimals

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MCQ▾

Question

I think of a decimal number. After I have subtracted 3.5 from it, then multiplied by 2 and then added 0.56, I get 1.2. what is the decimal number?

Choices

Choice (4) Response

a.

3.82

b.

7.5

c.

7.64

d.

7

Question number: 396

» Number Sense

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MCQ▾

Question

Number of zeroes in 10 million are________.

Choices

Choice (4) Response

a.

6

b.

7

c.

5

d.

8

Question number: 397

» Number Sense

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MCQ▾

Question

Commas are inserted in a number after each________?

Choices

Choice (4) Response

a.

Period

b.

Digit

c.

Place

d.

All of the above

Question number: 398

» Fractions and Decimals

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MCQ▾

Question

I think of a decimal number. After I have multiplied it by 4 then added 7.4 and then I have subtracted 0.4 from it, I get 8. What is the decimal number?

Choices

Choice (4) Response

a.

0.25

b.

25

c.

2.5

d.

All of the above

Question number: 399

» Logical Reasoning

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MCQ▾

Question

Find out which of the following options contains all the components needed to form below figure.

Geometric image made by circles and lines

Geometric Image Made by Circles and Lines

Showing geometric image made by circles and lines

Choices

Choice (4) Response

a.

Image made by circles and lines: Choice A

Image Made by Circles and Lines: Choice A

Showing image made by circles and lines which can be used to draw question figure

b.

Image made by circles and lines: Choice B

Image Made by Circles and Lines: Choice B

Showing image made by circles and lines which can be used to draw question figure

c.

Image made by circles and lines: Choice C

Image Made by Circles and Lines: Choice C

Showing image made by circles and lines which can be used to draw question figure

d.

Image made by circles and lines: Choice D

Image Made by Circles and Lines: Choice D

Showing image made by circles and lines which can be used to draw question figure