# NSTSE (National Science Talent Search Exam- Unified Council) Class 9: Questions 881 - 888 of 2000

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## Question number: 881

Edit
MCQ▾

### Question

The greatest among the following is

I. II. III. IV.

### Choices

Choice (4)Response

a.

IV

b.

I

c.

III

d.

II

## Question number: 882

Edit
MCQ▾

### Question

The mean of 5 observations is 60. If one observation, namely 6 is added, the new mean is

### Choices

Choice (4)Response

a.

55

b.

71

c.

51

d.

54

## Question number: 883

Edit
MCQ▾

### Question

The radius of a sphere is increased by X%. Its surface area increased by

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question number: 884

Edit
MCQ▾

### Question

The distance of the point from the origin is

### Choices

Choice (4)Response

a.

units

b.

units

c.

Both a. and b. are correct

d.

None of the above

## Question number: 885

Edit
MCQ▾

### Question

Which of the following rational numbers is in the standard form?

### Choices

Choice (4)Response

a.

b.

c.

d.

None of the above

## Question number: 886

Edit
MCQ▾

### Question

The sides of a triangle are in the ratio of 14: 15: 16 and its perimeter is 90 cm. Then the area of the triangle is

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question number: 887

Edit
MCQ▾

### Question

When two dice are thrown, the probability of getting a number always greater than 2 on the second dice is

### Choices

Choice (4)Response

a.

b.

c.

d.

Question does not provide sufficient data or is vague

## Question number: 888

Edit
MCQ▾

### Question

The Brownian movement is due to ________.

### Choices

Choice (4)Response

a.

Attraction and repulsion between charges on the colloidal particles

b.

Temperature fluctuation within the liquid phase

c.

Impact of the molecules of the dispersion medium on the colloidal particles.

d.

None of the above

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