NSTSE (National Science Talent Search Exam- Unified Council) Class 9: Questions 537 - 543 of 2000

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Question number: 537

» Mathematics » Statistics

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MCQ▾

Question

The mean of 774,776,778,780 and 782 is

Choices

Choice (4) Response

a.

774

b.

782

c.

776

d.

778

Question number: 538

» Mathematics » Probability

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MCQ▾

Question

A card is drawn from a packet of 70 cards numbered 1 to 70. The probability of drawing a number which is a square is

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 539

» Mathematics » Number Systems

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MCQ▾

Question

Which of the following alternatives is wrong? Given that

(I) Difference of two rational numbers is a rational number

(II) Subtraction is commutative on rational numbers

(III) Addition is not commutative on rational numbers

Choices

Choice (4) Response

a.

(I) and (III)

b.

(I) only

c.

(II) and (III)

d.

Question does not provide sufficient data or is vague

Question number: 540

» Mathematics » Constructions

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MCQ▾

Question

In a if , , then perimeter of the triangle is

Choices

Choice (4) Response

a.

73 cm

b.

54 cm

c.

61 cm

d.

None of the above

Question number: 541

» Mathematics » Probability

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MCQ▾

Question

If a coin is tossed twice, the probability of getting at least one tail is

Choices

Choice (4) Response

a.

b.

c.

d.

Question does not provide sufficient data or is vague

Question number: 542

» Mathematics » Polynomials

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MCQ▾

Question

If is divided by 17 then the remainder is

Choices

Choice (4) Response

a.

-2

b.

-1

c.

0

d.

1

Question number: 543

» Mathematics » Heron's Formula

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MCQ▾

Question

The area of a triangle whose sides are 12,13 and 15 cm.

Choices

Choice (4) Response

a.

b.

c.

d.

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