IMO Level 1- Mathematics Olympiad (SOF) Class 7: Questions 40 - 47 of 1022

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Question number: 40

» Number System

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MCQ▾

Question

What will be the sign of the product if we together multiply 200 negative integers and 12 positive integers?

Choices

Choice (4) Response

a.

Negative

b.

Data is insufficient

c.

Positive

d.

Can’t say

Question number: 41

» Number System

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MCQ▾

Question

What will be the sign of the product if we together multiply 199 negative integers and 10 positive integers?

Choices

Choice (4) Response

a.

Negative

b.

Can’t say

c.

Positive

d.

Data is insufficient

Question number: 42

» Number System

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MCQ▾

Question

The value of X in , is________.

Choices

Choice (4) Response

a.

b.

3

c.

2

d.

Question number: 43

» Number System

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MCQ▾

Question

The value of is________.

Choices

Choice (4) Response

a.

2

b.

4

c.

3

d.

1

Question number: 44

» Number System

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MCQ▾

Question

The difference of the sum of even numbers and sum of odd numbers between 1 and 10 is________.

Choices

Choice (4) Response

a.

5

b.

4

c.

6

d.

3

Question number: 45

» Number System

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MCQ▾

Question

The value of is________.

Choices

Choice (4) Response

a.

10

b.

40

c.

30

d.

20

Question number: 46

» Number System

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MCQ▾

Question

Every positive integer is ________ zero.

Choices

Choice (4) Response

a.

Less than or equal

b.

Less than

c.

Greater than or equal

d.

Greater than

Question number: 47

» Number System

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MCQ▾

Question

The sign of the product of two like integers is________.

Choices

Choice (4) Response

a.

Cannot be determined

b.

Positive

c.

Positive or Negative

d.

Negative