IMO Level 1- Mathematics Olympiad (SOF) Class 7: Questions 103 - 109 of 1022

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Question number: 103

» Fractions and Decimals

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MCQ▾

Question

Which of the following statement is correct?

Choices

Choice (4) Response

a.

The additive inverse of 0 is zero itself.

b.

0 is called the additive identity for rational numbers

c.

1 is called the multiplicative identity for rational numbers

d.

All a. , b. and c. are correct

Question number: 104

» Fractions and Decimals

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MCQ▾

Question

Express the value of in its simplest form.

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 105

» Fractions and Decimals

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Question

If of then the value of x is

Choices

Choice (4) Response

a.

12.5

b.

10.5

c.

8.5

d.

13.5

Question number: 106

» Fractions and Decimals

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Question

The value of ………. is _.

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 107

» Fractions and Decimals

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Question

If of , then the value of x is_.

Choices

Choice (4) Response

a.

80

b.

20

c.

10

d.

None of the above

Question number: 108

» Fractions and Decimals

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MCQ▾

Question

If , Find the value of a, b and c respectively.

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 109

» Fractions and Decimals

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MCQ▾

Question

How many more squares in the figure must be shaded so that the fraction of shaded squares is ?

An image made by rectangle with some shaded square

An Image Made by Rectangle with Some Shaded Square

Showing an image of rectangle with some shaded square

Choices

Choice (4) Response

a.

10

b.

20

c.

5

d.

15