NSTSE (National Science Talent Search Exam- Unified Council) Class 7: Questions 721 - 728 of 1732

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Question number: 721

» Mathematics » Triangle and Properties

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Question

If the two sides of a right angled triangle are equal and the square of the hypotenuse is 50 cm then the length of each side is

Choices

Choice (4) Response

a.

cm

b.

5 cm

c.

12.5 cm

d.

8 cm

Question number: 722

» Mathematics » Triangle and Properties

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Question

In , D is midpoint of BC and G is the Centroid of the triangle. If GD = 3 cm, then the length of AD is

Choices

Choice (4) Response

a.

6 cm

b.

9 cm

c.

3 cm

d.

None of the above

Question number: 723

» Mathematics » Comparing Quantities

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Question

A number P exceeds Q by 40%. By what percent is Q short of P?

Choices

Choice (4) Response

a.

26.5%

b.

32.8%

c.

30%

d.

28.6%

Question number: 724

» Mathematics » Rational Numbers

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Question

________.

Choices

Choice (4) Response

a.

b.

c.

d.

All of the above

Question number: 725

» Mathematics » Exponents and Powers

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MCQ▾

Question

The value of is

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 726

» Physics » Heat

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MCQ▾

Question

Why sand is used as a fire extinguisher to prevent small fires?

Figure showing bucket filled with sand

Figure Showing Bucket Filled with Sand

Figure showing bucket filled with sand

Choices

Choice (4) Response

a.

Because sand is cheap.

b.

Because sand cover up all oxygen from the fire.

c.

Because sand is easily available

d.

All a. , b. and c. are correct

Question number: 727

» Mathematics » Exponents and Powers

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Question

If then the value of is

Choices

Choice (4) Response

a.

0.27

b.

4.41

c.

2.78

d.

5.73

Question number: 728

» Mathematics » Symmetry

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MCQ▾

Question

Which of the following alphabets has only horizontal line of symmetry?

Choices

Choice (4) Response

a.

A

b.

M

c.

D

d.

Y

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