# IMO Level 1- Mathematics Olympiad (SOF) Class 7: Questions 23 - 29 of 1022

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## Question 23

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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.6
b.1
c.4
d.5

## Question 24

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### Question

MCQ▾

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

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

### Choices

Choice (4)Response
a.P and q are true
b.P and q are false
c.p is false and q is true
d.P is true and q is false

## Question 25

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### Question

MCQ▾

Which integer is the additive inverse of itself?

### Choices

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

## Question 26

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### Question

MCQ▾

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

### Choices

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

## Question 27

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### Question

MCQ▾

Which pair of numbers does not have a product equal to 45?

### Choices

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

## Question 28

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### Question

MCQ▾

A tank contains 500 liters of water. Due to a small hole in the tank, the quantity of water is decreasing at the rate of 9 liters every hour. What will be the quantity of the water in the tank after 10 hours?

### Choices

Choice (4)Response
a.491 liters
b.400 liters
c.410 liters
d.90 liters

## Question 29

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### Question

MCQ▾

For any two rational numbers x and y which of the following are correct, if x is positive and y is negative?

1. X < Y 2. X = Y 3. X > Y

### Choices

Choice (4)Response
a.Only 1 and 2 are correct
b.Only 3 is correct
c.Only 2 and 3 are correct
d.Question does not provide sufficient data or is vague