# IMO Level 1- Mathematics Olympiad (SOF) Class 7: Questions 11 - 17 of 1022

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## Question number: 11

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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

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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

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MCQ▾

### Question

The value of is ________.

### Choices

Choice (4)Response

a.

144

b.

c.

240

d.

0

## Question number: 14

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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

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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________.

 6 -1 4 A 3 5 2 7 B

### Choices

Choice (4)Response

a.

1,1

b.

c.

d.

0,0

## Question number: 16

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MCQ▾

### Question

If p: When a positive integer and a negative integer are added we always get a positive integer.

q: When two positive integers are added, we get a positive integer, then

### Choices

Choice (4)Response

a.

P is false and q is true

b.

P is true and q is false

c.

P and q are true

d.

P and q are false

## Question number: 17

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MCQ▾

### Question

Which of the following number is not prime?

### Choices

Choice (4)Response

a.

3

b.

4

c.

2

d.

5

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