Mathematics [NSTSE (National Science Talent Search Exam- Unified Council) Class 9]: Questions 640 - 646 of 989

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Question 640

Mathematics
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Question

MCQ▾

If first and second sides of a right angled triangle are in the ratio 1: 2 and the square of the hypotenuse is 180 cm then the length of first and second side respectively is

Choices

Choice (4)Response

a.

5,10 cm

b.

6,12 cm

c.

12,6 cm

d.

10,5 cm

Question 641

Mathematics
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Question

MCQ▾

The base of an isosceles triangle is 18 cm and its perimeter 48 cm. Then its area is

Choices

Choice (4)Response

a.

b.

c.

d.

Question 642

Mathematics
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Question

MCQ▾

In a single throw of two dice, the probability of getting a sum of 3 is

Choices

Choice (4)Response

a.

b.

c.

d.

All of the above

Question 643

Mathematics
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Question

MCQ▾

Find the missing term in the following problem.

Choices

Choice (4)Response

a.

-42xy

b.

2xy

c.

-2xy

d.

42xy

Question 644

Mathematics
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Question

MCQ▾

is a

Choices

Choice (4)Response

a.

Neither positive nor negative rational number

b.

Negative rational number

c.

Either positive or negative rational number

d.

Positive rational number

Question 645

Mathematics
Edit

Question

MCQ▾

Name the property of multiplication illustrated by

Choices

Choice (4)Response

a.

Associative property

b.

Commutative property

c.

Distributive property

d.

All of the above

Question 646

Mathematics
Edit

Question

MCQ▾

The smallest positive number from the numbers below is

Choices

Choice (4)Response

a.

b.

c.

d.