# Mathematics [NSTSE (National Science Talent Search Exam- Unified Council) Class 7]: Questions 283 - 290 of 1128

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## Question number: 283

» Mathematics » Exponents and Powers

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MCQ▾

### Question

The rationalizing factor of is

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question number: 284

» Mathematics » Exponents and Powers

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MCQ▾

equals to

### Choices

Choice (4)Response

a.

3

b.

1

c.

27

d.

## Question number: 285

» Mathematics » Data Handling

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MCQ▾

### Question

The arithmetic mean of first five negative integers is

### Choices

Choice (4)Response

a.

- 4

b.

- 6

c.

- 3

d.

- 5

## Question number: 286

» Mathematics » Fractions and Decimals

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MCQ▾

.

### Choices

Choice (4)Response

a.

431

b.

0.431

c.

4.31

d.

4.031

## Question number: 287

» Mathematics » Algebraic Expressions

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MCQ▾

### Question

In a piggy bank the numbers of 25 paise coins are ten times the number of 50 paise coins. If there are 330 coins find the amount in the bank.

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question number: 288

» Mathematics » Perimeter and Area

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MCQ▾

### Question

Find the area of the shaded region of the following figure.

ABCD is a rectangle having length 60 cm and breadth 50 cm. P, Q, R and S are midpoints of AB, BC, CD and AD respectively.

### Choices

Choice (4)Response

a.

4500

b.

3000

c.

1500

d.

375

## Question number: 289

» Mathematics » Rational Numbers

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MCQ▾

is a

### Choices

Choice (4)Response

a.

Positive rational number

b.

Neither positive nor negative rational number

c.

Either positive or negative rational number

d.

Negative rational number

## Question number: 290 (1 of 3 Based on Passage) Show Passage

» Mathematics » Data Handling

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MCQ▾

### Question

In which subject student scores are best?

### Choices

Choice (4)Response

a.

Science

b.

Hindi

c.

Mathematics

d.

English

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