NSTSE (National Science Talent Search Exam- Unified Council) Class 9: Questions 778 - 786 of 2000

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Question number: 778

» Mathematics » Statistics

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MCQ▾

Question

The average of A & B is 16, B & C is 25, C & A is 31. Then the average of A, B & C [approximately] is

Choices

Choice (4)Response

a.

47

b.

56

c.

41

d.

24

Question number: 779

» Mathematics » Polynomials

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MCQ▾

Question

The factors of are:

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 780

» Mathematics » Surface Areas & Volumes

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MCQ▾

Question

From a circle of radius 20 cm a sector with angle is cut out and its bounding radii are bent so as to form a cone. Then its volume is

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 781

» Mathematics » Statistics

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MCQ▾

Question

The mean of is 18. Then the value of x is

Choices

Choice (4)Response

a.

Cannot be determined

b.

6

c.

Data is insufficient

d.

21

Question number: 782

» Mathematics » Coordinate Geometry

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MCQ▾

Question

The point (-2,5) belongs to Quadrant ________.

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 783

» Biology » Fundamentals Unit of Life

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MCQ▾

Question

Which of the following is the smallest cell

Choices

Choice (4)Response

a.

Sperm

b.

Ovum

c.

Mycoplasma

d.

Rod Cell of eyes

Question number: 784

» Mathematics » Constructions

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MCQ▾

Question

If the angles of a triangle are in the ratio 1: 2: 7 then the triangle is

Choices

Choice (4)Response

a.

Right angled isosceles

b.

Right angled

c.

Obtuse angled

d.

Acute angled

Question number: 785

» Biology » Fundamentals Unit of Life

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MCQ▾

Question

Which of the following possess flagella?

Choices

Choice (4)Response

a.

Paramecium

b.

Euglena

c.

Amoeba

d.

Yeast

Question number: 786

» Mathematics » Number Systems

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MCQ▾

Question

Which of the following statement (s) is true?

Choices

Choice (4)Response

a.

, where a and b are rational numbers

b.

Infinite number of rational numbers lie between any two rational number

c.

if where ‘a’ is a rational number

d.

All a. , b. and c. are correct

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