# NSTSE (National Science Talent Search Exam- Unified Council) Class 10: Questions 688 - 694 of 1484

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## Question 688

### Question

MCQ▾

The points form the vertices of

### Choices

Choice (4)Response

a.

Equilateral triangle

b.

Right angled triangle

c.

Isosceles right angled triangle

d.

Isosceles triangle

## Question 689

### Question

MCQ▾

If is a positive integer and the roots of the equation are rational numbers, then the smallest value of is:

### Choices

Choice (4)Response

a.

1

b.

5

c.

3

d.

4

## Question 690

### Question

MCQ▾

The probability for a randomly selected number out of 11, 12,13, 14, … . , 50 to be a prime number is

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question 691

### Question

MCQ▾

The value of = ________.

### Choices

Choice (4)Response

a.

b.

c.

1

d.

Question does not provide sufficient data or is vague

## Question 692

### Question

MCQ▾

The probability for a leap year to have 53 Sundays is

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question 693

### Question

MCQ▾

From the given figure the value of x is ________ if .

### Choices

Choice (4)Response

a.

1.6

b.

3

c.

3.6

d.

2

## Question 694

### Question

MCQ▾

Which of the following statements is not true?

### Choices

Choice (4)Response

a.

Any two right triangles are similar

b.

A square is similar to a rectangle

c.

Any two rectangles are similar

d.

Question does not provide sufficient data or is vague

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