# Mathematics [NSTSE (National Science Talent Search Exam- Unified Council) Class 9]: Questions 747 - 755 of 989

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## Question number: 747

» Mathematics » Polynomials

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MCQ▾

### Question

One of the factors of is:

### Choices

Choice (4)Response

a.

b.

c.

d.

Question does not provide sufficient data or is vague

## Question number: 748

» Mathematics » Linear Equations in Two Variables

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MCQ▾

### Question

An equation of the form , where a, b are non-zero numbers represents ________.

### Choices

Choice (4)Response

a.

b.

A triangle

c.

A circle

d.

A straight line

## Question number: 749

» Mathematics » Statistics

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MCQ▾

### Question

If in a data, 10 numbers arranged in increasing order. If the 8th entry is increased by 4, then the median increases by

### Choices

Choice (4)Response

a.

6

b.

Zero

c.

4

d.

8

## Question number: 750

» Mathematics » Constructions

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MCQ▾

### Question

If two angles in a triangle are and , then the third angle is

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question number: 751

» Mathematics » Statistics

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MCQ▾

### Question

If 7,5, 9 and 2 occur with frequencies 3,1, 4 and 2 respectively, then the arithmetic mean is

### Choices

Choice (4)Response

a.

10

b.

5.6

c.

2.3

d.

6.6

## Question number: 752

» Mathematics » Number Systems

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MCQ▾

### Question

The rational number between and is:

### Choices

Choice (4)Response

a.

b.

c.

0.25

d.

All a. , b. and c. are correct

## Question number: 753

» Mathematics » Statistics

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MCQ▾

### Question

If the arithmetic mean of 6,8, 5,7, x and 4 is 7, then x is

### Choices

Choice (4)Response

a.

8

b.

4

c.

6

d.

12

## Question number: 754

» Mathematics » Number Systems

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MCQ▾

### Question

The product of is

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question number: 755

» Mathematics » Polynomials

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MCQ▾

### Question

The value of the product and when is:

### Choices

Choice (4)Response

a.

b.

2

c.

0

d.

4

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