Number System [IMO Level 1- Mathematics Olympiad (SOF) Class 7]: Questions 1 - 10 of 82

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Question 1

Number System
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Question

MCQ▾

The average of the two middle rational numbers if are arranged in descending order is________.

Choices

Choice (4)Response
a.
b.
c.
d.

Question 2

Number System
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Question

MCQ▾

Which integer is the additive inverse of 5?

Choices

Choice (4)Response
a.
b.5
c.1
d.0

Question 3

Number System
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Question

MCQ▾

Which integer is the additive inverse of 1?

Choices

Choice (4)Response
a.
b.3
c.0
d.1

Question 4

Number System
Edit

Question

MCQ▾

Which pair of numbers does not have a product equal to 36?

Choices

Choice (4)Response
a.
b.
c.
d.

Question 5

Number System
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Question

MCQ▾

Which of the following number is prime?

Choices

Choice (4)Response
a.179
b.187
c.119
d.247

Question 6

Number System
Edit

Question

MCQ▾

The value of is ________.

Choices

Choice (4)Response
a.240
b.0
c.120
d.

Question 7

Number System
Edit

Question

MCQ▾

The value of, where is absolute value of an integer is________.

Choices

Choice (4)Response
a.1
b.0
c.2
d.3

Question 8

Number System
Edit

Question

MCQ▾

The value of, where is absolute value of an integer is________.

Choices

Choice (4)Response
a.1
b.0
c.3
d.2

Question 9

Number System
Edit

Question

MCQ▾

Which of the following is an irrational number?

Choices

Choice (4)Response
a.
b.
c.1.50
d.2

Question 10

Number System
Edit

Question

MCQ▾

In a magic square each row, column and diagonal have the same sum, then the values of A and B are respectively________.

A magic square with different values is given
3-41
-2A2
-1B-3

Choices

Choice (4)Response
a.
b.4,0
c.1,1
d.