IMO Level 1- Mathematics Olympiad (SOF) Class 7: Questions 30 - 35 of 1022

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Question 30

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Question

MCQ▾

Which of the following statements is true?

Choices

Choice (4)Response
a. is a rational number
b.Irrational number is not written in ration form
c.2 is a prime number
d.All a. , b. and c. are correct

Question 31

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Question

MCQ▾

Which of the following number sentence below best describes the problem shown on the number line?

A number line is given

A Number Line is Given

Loading image

Choices

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

Question 32

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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 is given
1-100
A-3-2
-64B

Choices

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

Question 33

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Question

MCQ▾

An insect crawls up 7 cm every second on an 80 cm vertical rod and then falls down 3 cm over the next second. How many seconds will it take to climb the rod?

Choices

Choice (4)Response
a.30 seconds
b.20 seconds
c.60 seconds
d.39 seconds

Question 34

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Question

MCQ▾

Which of the following statements is true?

Choices

Choice (4)Response
a.The product of two rational numbers is a rational number
b.Zero has no reciprocal
c.1 and -1 are reciprocal of themselves
d.All a. , b. and c. are correct

Question 35

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Question

MCQ▾

The product of two rational numbers is. If one of the numbers is , then the other number is________.

Choices

Choice (4)Response
a.22
b.36
c.49
d.27