# NSTSE (National Science Talent Search Exam- Unified Council) Class 7: Questions 255 - 261 of 1732

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## Passage

Answer the following questions from the below data.

A train travels from point A to point B which are 500 km apart at a speed of 50 km/hr and return back at point A in some time.

## Question number: 255 (1 of 1 Based on Passage) Show Passage

Edit
MCQ▾

### Question

What is the total displacement made by Manoj?

### Choices

Choice (4) Response

a.

500 km

b.

1000 km

c.

Cannot be determined

d.

0 km

## Question number: 256

Edit
MCQ▾

### Question

Power of variables in a simple linear equation

### Choices

Choice (4) Response

a.

Two

b.

0

c.

One

d.

All of the above

## Question number: 257

Edit
MCQ▾

Simplify .

### Choices

Choice (4) Response

a.

-2.8

b.

2.8

c.

d.

## Question number: 258

Edit
MCQ▾

### Question

Which of the following speed is faster than that of sound?

### Choices

Choice (4) Response

a.

Wind speed

b.

Train speed

c.

Light speed

d.

All of the above

## Question number: 259

Edit
MCQ▾

### Question

The median for the following frequency distribution is

 Class 1 2 3 4 5 6 7 Frequency 12 25 18 41 15 20 32

### Choices

Choice (4) Response

a.

20

b.

18

c.

25

d.

32

## Question number: 260

Edit
MCQ▾

### Question

What fractions of the vegetable on the plate are carrots?

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 261

Edit
MCQ▾

### Question

Two sides of an isosceles triangle are 3 cm and 7 cm. Then the length of third side is

### Choices

Choice (4) Response

a.

10 cm

b.

3 cm

c.

7 cm

d.

Question does not provide sufficient data or is vague

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