# NSTSE (National Science Talent Search Exam- Unified Council) Class 7: Questions 515 - 523 of 1732

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## Question number: 515

Edit
MCQ▾

### Question

The median of the following data 12,26,41,23,37,18,42,62,9 is

### Choices

Choice (4)Response

a.

12

b.

37

c.

26

d.

42

## Question number: 516

Edit
MCQ▾

### Question

The degree of trinomial is

### Choices

Choice (4)Response

a.

3

b.

8

c.

5

d.

13

## Question number: 517

Edit
MCQ▾

Simplify:

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question number: 518

Edit
MCQ▾

### Question

Ages of two friends are in the ratio 1: 2. If the sum of their ages is 63 then their ages are

### Choices

Choice (4)Response

a.

42 yrs, 22 yrs

b.

40 yrs, 30 yrs

c.

42 yrs, 20 yrs

d.

21 yrs, 42 yrs

## Question number: 519

Edit
MCQ▾

### Question

If the arithmetic mean of 3,5, 8,4, x and 6 is 5, then x is

### Choices

Choice (4)Response

a.

10

b.

7

c.

8

d.

4

## Question number: 520

Edit
MCQ▾

### Question

Out of the rational number , , , which is smaller?

### Choices

Choice (4)Response

a.

b.

c.

d.

None of the above

## Question number: 521

Edit
MCQ▾

### Question

Product of two positive integers and a negative integer is

### Choices

Choice (4)Response

a.

Negative

b.

Zero

c.

Positive

d.

None of the above

## Question number: 522

Edit
MCQ▾

### Question

Multiplying a negative integer for odd times gives a ________ result.

### Choices

Choice (4)Response

a.

Negative

b.

0

c.

Positive

d.

None of the above

## Question number: 523

Edit
MCQ▾

### Question

The difference between the length and breadth of a rectangle is 54 m. If the perimeter is m, then the area is

### Choices

Choice (4)Response

a.

b.

c.

d.

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