Mathematics [NSTSE (National Science Talent Search Exam- Unified Council) Class 9]: Questions 579 - 584 of 989

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Question number: 579

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Question

MCQ▾

Instead of walking along two adjacent sides of a rectangular field, a boy took a short cut along the diagonal and saved a distance equal to half the longer side. Then the ratio of the shorter side to the longer side is:

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 580

Mathematics
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Question

MCQ▾

Out of the rational number , , , which is smaller?

Choices

Choice (4)Response

a.

b.

c.

d.

None of the above

Question number: 581

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Question

MCQ▾

The equation of the line parallel to x-axis is ________.

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 582

Mathematics
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Question

MCQ▾

The triangle formed and is

Choices

Choice (4)Response

a.

A right angles isosceles triangle

b.

No triangle is formed

c.

A right angled triangle

d.

An isosceles triangle

Question number: 583

Mathematics
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Question

MCQ▾

A: An isosceles triangle is right angled

R: and

Then which of the following statement is true?

Choices

Choice (4)Response

a.

A is true and R is not correct explanation of A

b.

A is false

c.

A is true and R is correct explanation of A

d.

None of the above

Question number: 584

Mathematics
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Question

MCQ▾

The top of a broken tree touches the ground at a distance of 60 m from its base. If the tree is broken at a height of 11 m from the ground, then the actual height of the tree is

Choices

Choice (4)Response

a.

121 m

b.

71 m

c.

68 m

d.

72 m