NSTSE (National Science Talent Search Exam- Unified Council) Class 9: Questions 945 - 953 of 2000

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Question number: 945

» Mathematics » Statistics

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MCQ▾

Question

The mean of a data is ‘m’. If each observation is multiplied by 5 and then 2 is added to each result, then the mean of the new observations so obtained is

Choices

Choice (4)Response

a.

5m + 2

b.

m

c.

5m

d.

m + 2

Question number: 946

» Mathematics » Polynomials

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MCQ▾

Question

Factorize :

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 947

» Mathematics » Number Systems

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MCQ▾

Question

If then is

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 948

» Mathematics » Polynomials

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MCQ▾

Question

Which of the following expression is a polynomial?

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 949

» Mathematics » Number Systems

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MCQ▾

Question

The value of b if and is

Choices

Choice (4)Response

a.

14

b.

29

c.

23

d.

12

Question number: 950

» Chemistry » The Nature of Matter

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MCQ▾

Question

Colloidal solutions containing colloidal particles show the property of it due to ________.

Choices

Choice (4)Response

a.

Large size

b.

Small size

c.

High ratio of electrical charge to the mass

d.

High charge density

Question number: 951

» Mathematics » Number Systems

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MCQ▾

Question

A rational number equivalent to is

Choices

Choice (4)Response

a.

b.

c.

d.

All of the above

Question number: 952

» Mathematics » Surface Areas & Volumes

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MCQ▾

Question

The ratio of base radius and height of a cone is 8: 6. If the cost of smoothening the CSA at is Rs. . Then volume of liquid is ________.

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 953

» Mathematics » Number Systems

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MCQ▾

Question

Express as rational number.

Choices

Choice (4)Response

a.

b.

c.

d.

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