# NSTSE (National Science Talent Search Exam- Unified Council) Class 8: Questions 1096 - 1102 of 2028

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## Question 1096

MCQ▾

The value of is:

### Choices

Choice (4)Response

a.

b.

49

c.

d.

-49

## Question 1097

### Question

MCQ▾

The average age of three boys is 30 years and their ages are in the ratio 2: 5: 8. The age of the youngest boy is:

### Choices

Choice (4)Response

a.

48 years

b.

30 years

c.

12 years

d.

15 years

## Question 1098

### Question

MCQ▾

What change in percent is made in the area of a rectangle by decreasing its length and increasing its breadth by 8 % ?

### Choices

Choice (4)Response

a.

0.08 % increase

b.

1.64 % decrease

c.

0.64 % increase

d.

0.64 % decrease

## Question 1099

MCQ▾

The value of is

### Choices

Choice (4)Response

a.

b.

-729

c.

81

d.

## Question 1100

### Question

MCQ▾

The product of and is equal to the quotient obtained when is divided by ________.

### Choices

Choice (4)Response

a.

0

b.

x

c.

d.

1

## Question 1101

### Question

MCQ▾

The table shows the distribution of marks in Computer test. Grade B is given to marks ranging from 31 to 45. Calculate the percentage of pupils who obtained a grade B.

 Marks Frequency 31 - 35 3 36 - 40 7 41 - 45 12 46 - 50 9 51 - 55 6 56 - 60 3

### Choices

Choice (4)Response

a.

26 %

b.

55 %

c.

65 %

d.

75 %

## Question 1102

### Question

MCQ▾

If and then ________.

### Choices

Choice (4)Response

a.

64

b.

39

c.

73

d.

88

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