# NSTSE (National Science Talent Search Exam- Unified Council) Class 10: Questions 665 - 673 of 1484

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## Question 665

### Question

MCQ▾

The probability for a randomly selected number out of 51, 52,53, 54, … . , 80 to be a prime number is

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question 666

### Question

MCQ▾

From a normal pack of cards, a card is drawn at random. The probability of getting a jack or a king is

### Choices

Choice (4)Response

a.

b.

c.

d.

All of the above

## Question 667

### Question

MCQ▾

The mode of 11, 16, 22, 11, 17, 22, 16, 22, 17,11, 22 is

### Choices

Choice (4)Response

a.

11

b.

16

c.

17

d.

22

## Question 668

### Question

MCQ▾

The roots of the equation are:

### Choices

Choice (4)Response

a.

5,

b.

-5, -5

c.

5, -5

d.

Question does not provide sufficient data or is vague

## Question 669

### Question

MCQ▾

The value of = ________.

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question 670

### Question

MCQ▾

In , then its area = ________.

### Choices

Choice (4)Response

a.

sq cm

b.

sq cm

c.

sq units

d.

All of the above

## Question 671

### Question

MCQ▾

The roots of the quadratic equation are:

### Choices

Choice (4)Response

a.

-16, -4

b.

-4,16

c.

16,4

d.

16, -4

## Question 672

### Question

MCQ▾

The product of two consecutive natural numbers is 272. The natural numbers are:

### Choices

Choice (4)Response

a.

12,13

b.

16,17

c.

21,22

d.

Question does not provide sufficient data or is vague

## Question 673

### Question

MCQ▾

If the median is 46.1 and each item is increased by 1.9, the new median will be

### Choices

Choice (4)Response

a.

48

b.

47.1

c.

46.9

d.

No change

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