IMO Level 1- Mathematics Olympiad (SOF) Class 7: Questions 10 - 15 of 1022

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Question number: 10

» Number System

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MCQ▾

Question

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

Find out the missing values of magic square if each row, column and diagonal have the same sum

3

-4

1

-2

A

2

-1

B

-3

Choices

Choice (4) Response

a.

b.

4,0

c.

1,1

d.

Question number: 11

» Number System

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MCQ▾

Question

An insect crawls up 5 cm every second on a 60 cm vertical rod and then falls down 2 cm over the next second. How many seconds will it take to climb the rod?

Choices

Choice (4) Response

a.

39 seconds

b.

30 seconds

c.

60 seconds

d.

20 seconds

Question number: 12

» Number System

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MCQ▾

Question

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

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 13

» Number System

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MCQ▾

Question

The value of is ________.

Choices

Choice (4) Response

a.

144

b.

c.

240

d.

0

Question number: 14

» Number System

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MCQ▾

Question

8 is a ________ number

Choices

Choice (4) Response

a.

Irrational

b.

Prime

c.

Rational

d.

Question does not provide sufficient data or is vague

Question number: 15

» Number System

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MCQ▾

Question

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 two missing numbers is given

Find out the missing values of magic square if each row, column and diagonal have the same sum

6

-1

4

A

3

5

2

7

B

Choices

Choice (4) Response

a.

1,1

b.

c.

d.

0,0