# NSTSE (National Science Talent Search Exam- Unified Council) Class 10: Questions 742 - 749 of 1484

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## Question 742

### Question

MCQ▾

, AB: DE = 4: 3 and perimeter of is 8 cm. Then the perimeter of is

### Choices

Choice (4)Response

a.

6 cm

b.

8 cm

c.

5 cm

d.

3 cm

## Question 743

### 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.

2

b.

6

c.

1

d.

4

## Question 744

### Question

MCQ▾

In the figure and B is the midpoint of AC. CD intersects BE at x. Then = ________.

### Choices

Choice (4)Response

a.

b.

2BE

c.

d.

## Question 745

### Question

MCQ▾

The A. M of 5, 7, 13,16, 9 is

### Choices

Choice (4)Response

a.

9

b.

16

c.

13

d.

10

## Question 746

MCQ▾

If and , then .

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question 747

### Question

MCQ▾

If the sum of the roots of the quadratic equation is equal to the product of the roots, then the value of ‘k’ is

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question 748

### Question

MCQ▾

A bag contains 3 black ink pot and 9 green ink pot. If an ink pot is drawn at random, the probability that he drawn a green ink is

### Choices

Choice (4)Response

a.

b.

c.

1

d.

## Question 749

### Question

MCQ▾

The value of is ________

### Choices

Choice (4)Response

a.

1

b.

-1

c.

0

d.

Question does not provide sufficient data or is vague

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