NSTSE (National Science Talent Search Exam- Unified Council) Class 9: Questions 847 - 853 of 2000

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Question number: 847

» Mathematics » Surface Areas & Volumes

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MCQ▾

Question

The base radius of a cylinder is times its height. The cost of painting its CSA at is Rs. 71.28. The volume of the liquid is ________.

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 848

» Chemistry » The Nature of Matter

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MCQ▾

Question

Which of the following is not colloid?

Choices

Choice (4)Response

a.

Ice cream

b.

Blood

c.

Milk

d.

Sugar solution

Question number: 849

» Mathematics » Statistics

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Question

The mean of 20 observations is 12.5. By error, one observation was noted as -15 instead of 15. Then the correct mean is

Choices

Choice (4)Response

a.

11.75

b.

11

c.

14

d.

None of the above

Question number: 850

» Mathematics » Heron's Formula

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MCQ▾

Question

The perimeter of a triangular field is 576 m and ratio of the sides is 6: 8: 10. Then the area of the field is

Choices

Choice (4)Response

a.

13824 sq m

b.

18324 sq m

c.

12724 sq m

d.

14831 sq m

Question number: 851

» Mathematics » Heron's Formula

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MCQ▾

Question

The perimeter of a triangular field is 196 m and ratio of the sides is 3: 5: 6. Then the area of the field is

Choices

Choice (4)Response

a.

733.36 sq m

b.

1466.73 sq m

c.

816.31 sq m

d.

1512.56 sq m

Question number: 852

» Mathematics » Polynomials

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MCQ▾

Question

The factors of are:

Choices

Choice (4)Response

a.

b.

c.

d.

None of the above

Question number: 853

» Biology » Fundamentals Unit of Life

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MCQ▾

Question

Fluid Mosaic Model was given by

Choices

Choice (4)Response

a.

Singer and Nicolson

b.

Danielli and Davson

c.

Butschli

d.

Robertson

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