Mathematics [NSTSE (National Science Talent Search Exam- Unified Council) Class 9]: Questions 480 - 487 of 989

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Question number: 480

Mathematics
Edit

Question

MCQ▾

The rationalizing factor of is

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 481

Mathematics
Edit

Question

MCQ▾

The angles in a right angled triangle other than the right angle are

Choices

Choice (4)Response

a.

Obtuse

b.

Right

c.

Acute

d.

All of the above

Question number: 482

Mathematics
Edit

Question

MCQ▾

One of the factors of is:

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 483

Mathematics
Edit

Question

MCQ▾

The value of x in is

Choices

Choice (4)Response

a.

-16,10

b.

-16, -10

c.

16, -10

d.

16,10

Question number: 484

Mathematics
Edit

Question

MCQ▾

If each entry of a data is decreased by 1, then the arithmetic mean

Choices

Choice (4)Response

a.

Remains the same

b.

Decreases by 1

c.

Increases by 1

d.

All of the above

Question number: 485

Mathematics
Edit

Question

MCQ▾

The value of

Choices

Choice (4)Response

a.

b.

8

c.

4

d.

Question number: 486

Edit

Question

MCQ▾

The distance of the point from the origin is

Choices

Choice (4)Response

a.

units

b.

units

c.

5 units

d.

Question does not provide sufficient data or is vague

Question number: 487

Edit

Question

MCQ▾

The height of a cone is 36 cm. A small cone is cut off at the top by a plane parallel to the base. If its volume is the volume of cone, the height at which the section is made is ________.

Choices

Choice (4)Response

a.

15.18 cm

b.

5.65 cm

c.

21.53 cm

d.

30.35 cm