# NSTSE (National Science Talent Search Exam- Unified Council) Class 8: Questions 662 - 669 of 2028

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## Question number: 662

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MCQ▾

The value of is:

### Choices

Choice (4) Response

a.

-18

b.

27

c.

18

d.

-27

## Question number: 663

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MCQ▾

### Question

The product of and is:

### Choices

Choice (4) Response

a.

b.

c.

d.

Question does not provide sufficient data or is vague

## Question number: 664

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MCQ▾

### Question

In a quadrilateral WXYZ, if and , then =________.

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 665

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MCQ▾

### Question

An article when sold at a gain of 15 % yields Rs. 45 more than when sold at a loss of 10%. Its cost price would be:

### Choices

Choice (4) Response

a.

250 Rs.

b.

270 Rs.

c.

300 Rs.

d.

350 Rs.

## Question number: 666

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MCQ▾

= ________

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 667

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MCQ▾

### Question

Hiren bought a refrigerator with 20 % discount on the labeled price. If he would have bought it with 25 % discount, he could have saved Rs. 200. At what price did he buy the refrigerator?

### Choices

Choice (4) Response

a.

1000 Rs.

b.

2000 Rs.

c.

6000 Rs.

d.

4000 Rs.

## Question number: 668

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MCQ▾

Factors for are:

### Choices

Choice (4) Response

a.

b.

c.

d.

All of the above

## Question number: 669

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MCQ▾

### Question

The sides of a triangle are 5 cm, 12 cm and 13 cm. Its area is:

### Choices

Choice (4) Response

a.

b.

c.

d.

Developed by: