# NSTSE (National Science Talent Search Exam- Unified Council) Class 8: Questions 621 - 628 of 2028

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## Question number: 621

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MCQ▾

### Question

The factors of are:

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 622

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MCQ▾

### Question

If and then the value of is:

### Choices

Choice (4) Response

a.

-169

b.

169

c.

97

d.

241

## Question number: 623

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MCQ▾

### Question

The least perfect square exactly divisible by each of the numbers 6,10,25,20 is:

### Choices

Choice (4) Response

a.

900

b.

1200

c.

2400

d.

600

## Question number: 624

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MCQ▾

### Question

The perimeter of a triangular field is 60 m and the ratio of the sides is 5: 12: 13. The area of the field is:

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 625

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MCQ▾

The value of is:

### Choices

Choice (4) Response

a.

208

b.

178

c.

224

d.

None of the above

## Question number: 626

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MCQ▾

= ________.

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 627

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MCQ▾

### Question

An oven is listed at Rs. 5500 and a discount of 8 % is offered on the list price. What additional discount must be offered to the customer to bring the net price to 4800?

### Choices

Choice (4) Response

a.

6%

b.

3.58%

c.

5.14%

d.

3%

## Question number: 628

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MCQ▾

### Question

From the frequency table the percentage of families with less than 3 children is Find the value of ‘x’.

 No. of children 0 1 2 3 4 No. of Families 5 11 20 15 4

### Choices

Choice (4) Response

a.

45

b.

25

c.

36

d.

38

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