# Mathematics-Number Systems [NSTSE (National Science Talent Search Exam- Unified Council) Class 9]: Questions 1 - 7 of 133

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## Question 1

Number Systems
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### Question

MCQ▾

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

### Choices

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

## Question 2

Number Systems
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### Question

MCQ▾

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

### Choices

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

## Question 3

Number Systems
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### Question

MCQ▾

The greatest among is

### Choices

Choice (4)Response
a.
b.
c.
d.Question does not provide sufficient data or is vague

## Question 4

Number Systems
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### Question

MCQ▾

If both ‘a’ and ‘b’ are rational numbers then ‘a’ and ‘b’ from the following are

### Choices

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

## Question 5

Number Systems
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### Question

MCQ▾

If x: Every fraction is a rational number and y: Every rational number is a fraction, then which of the following is correct?

### Choices

Choice (4)Response
a.x is True and y is False
b.x is False and y is True
c.Question does not provide sufficient data or is vague
d.None of the above

## Question 6

Number Systems
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### Question

MCQ▾

Which of the following is not a rational number?

### Choices

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

## Question 7

Number Systems
Edit

### Question

MCQ▾

Which of the following statement is false?

### Choices

Choice (4)Response
a.Every fraction is a rational number
b.Every rational number is a fraction
c.Every integer is a rational number
d.All of the above