# Mathematics [NSTSE (National Science Talent Search Exam- Unified Council) Class 9]: Questions 917 - 923 of 989

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## Question number: 917

» Mathematics » Number Systems

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MCQ▾

### Question

The two irrational numbers between and are

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Choice (4)Response

a.

b.

c.

d.

None of the above

## Question number: 918

» Mathematics » Surface Areas & Volumes

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MCQ▾

### Question

The area of the base of a cone is sq cm. Its height is 12 cm. Then its total surface area is ________.

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Choice (4)Response

a.

b.

c.

d.

## Question number: 919

» Mathematics » Polynomials

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MCQ▾

If , then is:

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Choice (4)Response

a.

b.

3pqr

c.

d.

## Question number: 920

» 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 14 m, the height of cylindrical part is 8 m and the total height of the tent is 32 m. The canvas required for the tent is ________.

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Choice (4)Response

a.

b.

c.

d.

## Question number: 921

» Mathematics » Surface Areas & Volumes

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MCQ▾

### Question

The cost of painting the TSA of cone at is Rs. 17.6. The volume of the cone its slant height being 25 cm is

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Choice (4)Response

a.

b.

c.

d.

## Question number: 922

» Mathematics » Heron's Formula

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MCQ▾

### Question

In a quadrilateral the sides are 12,35,18,39 units and the angle between first sides is a right angle. The area of quadrilateral is

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Choice (4)Response

a.

b.

c.

d.

## Question number: 923

» Mathematics » Probability

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MCQ▾

### Question

In a single throw of two dice, the probability of getting a sum of 6 is

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Choice (4)Response

a.

b.

c.

d.

Question does not provide sufficient data or is vague

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