# Mathematics [NSTSE (National Science Talent Search Exam- Unified Council) Class 8]: Questions 78 - 85 of 1201

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## Question number: 78

Edit

### Question

MCQ▾

The value of x for which open sentence is true.

### Choices

Choice (4)Response

a.

3

b.

2

c.

5

d.

1

## Question number: 79

Mathematics
Edit

### Question

MCQ▾

If , then ________.

### Choices

Choice (4)Response

a.

49

b.

49

c.

49

d.

Question does not provide sufficient data or is vague

## Question number: 80

Edit

### Question

MCQ▾

The perimeter of a parallelogram is 60 cm. One side exceeds another by 2 cm. The sides of the parallelogram are:

### Choices

Choice (4)Response

a.

54 cm, 56 cm

b.

14 cm, 16 cm

c.

16 cm, 18 cm

d.

22 cm, 24 cm

## Question number: 81

Edit

### Question

MCQ▾

If , then the value of ‘x’ is:

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question number: 82

Edit

### Question

MCQ▾

ABCD is a quadrilateral and PQR is a triangle as shown in the below figure. Then

### Choices

Choice (4)Response

a.

b.

c.

d.

All of the above

## Question number: 83

Edit

### Question

MCQ▾

The diameter of circumcircle of a rectangle is 37 cm and breadth of the rectangle is 12 cm. Its length is:

### Choices

Choice (4)Response

a.

36 cm

b.

28 cm

c.

35 cm

d.

All of the above

## Question number: 84

Edit

### Question

MCQ▾

The value of x for which the open sentence is true.

### Choices

Choice (4)Response

a.

3

b.

2

c.

1

d.

4

## Question number: 85

Mathematics
Edit

### Question

MCQ▾

The sum of the additive inverse and multiplicative inverse of 5 is:

### Choices

Choice (4)Response

a.

b.

0

c.

d.