# NSTSE (National Science Talent Search Exam- Unified Council) Class 10: Questions 862 - 869 of 1484

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## Question number: 862

Edit
MCQ▾

### Question

In a single throw of two dice, the probability of getting a sum of 5 is

### Choices

Choice (4) Response

a.

b.

c.

d.

Question does not provide sufficient data or is vague

## Question number: 863

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MCQ▾

### Question

The A. M of 6,8, 16,22,3, 5 is

### Choices

Choice (4) Response

a.

12

b.

10

c.

5

d.

22

## Question number: 864

Edit
MCQ▾

### Question

The length of shadow of a tower is equal to its length. The angle of elevation of the sun is ________.

### Choices

Choice (4) Response

a.

b.

c.

d.

Question does not provide sufficient data or is vague

## Question number: 865

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MCQ▾

### Question

If is a positive integer and the roots of the equation are rational numbers, then the smallest value of is:

### Choices

Choice (4) Response

a.

8

b.

3

c.

4

d.

10

## Question number: 866

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MCQ▾

### Question

The value of = ________.

### Choices

Choice (4) Response

a.

1

b.

0

c.

-1

d.

2

## Question number: 867

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MCQ▾

### Question

In , D and E are midpoints of AB and AC then DE: BC = ________.

### Choices

Choice (4) Response

a.

4: 1

b.

1: 2

c.

2: 1

d.

1: 1

## Question number: 868

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MCQ▾

### Question

The sum of all the deviations of the observations of a data from it’s A. M. is

### Choices

Choice (4) Response

a.

Maximum

b.

0

c.

Negative number

d.

Minimum

## Question number: 869

Edit
MCQ▾

### Question

If the classes of a distribution are 1 - 6,7 - 12,13 - 18, …. the upper boundary of class 1 - 6 is

### Choices

Choice (4) Response

a.

6.5

b.

7.5

c.

6

d.

5.5

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