# Mathematics [NSTSE (National Science Talent Search Exam- Unified Council) Class 9]: Questions 699 - 706 of 989

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## Question number: 699

» Mathematics » Statistics

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MCQ▾

### Question

The average of P & Q is 34, Q & R is 41, R & P is 18. Then the average of P, Q & R [approximately] is

### Choices

Choice (4)Response

a.

52

b.

41

c.

31

d.

59

## Question number: 700

» Mathematics » Statistics

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MCQ▾

### Question

The mean of and is

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question number: 701

» Mathematics » Number Systems

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MCQ▾

### Question

The rational denominator of the surd is

### Choices

Choice (4)Response

a.

b.

c.

5

d.

25

## Question number: 702

» Mathematics » Statistics

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MCQ▾

### Question

The mean of first six prime numbers is

### Choices

Choice (4)Response

a.

6.21

b.

6

c.

8

d.

6.83

## Question number: 703

» Mathematics » Constructions

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MCQ▾

### Question

In a if , , then perimeter of the triangle is

### Choices

Choice (4)Response

a.

39 cm

b.

57 cm

c.

114 cm

d.

Question does not provide sufficient data or is vague

## Question number: 704

» Mathematics » Surface Areas & Volumes

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MCQ▾

### Question

A circus tent is in the form of a cone over a cylinder. The diameter of the base is 10 m, the height of cylindrical part is 6 m and the total height of the tent is 18 m. The canvas required for the tent is ________.

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question number: 705

» Mathematics » Surface Areas & Volumes

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MCQ▾

### Question

A cuboidal metal of dimensions was melted and cast into a cylinder of height 14 cm. Its radius is ________.

### Choices

Choice (4)Response

a.

15.5 cm

b.

13 cm

c.

cm

d.

None of the above

## Question number: 706

» Mathematics » Number Systems

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MCQ▾

### Question

The value of a and b if and is

### Choices

Choice (4)Response

a.

b.

c.

d.

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