NTSE Stage-2 (National-Level) Scholastic-Aptitude & Language Comprehension: Questions 520 - 523 of 816

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Question 520

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Question

MCQ▾

The shadow of a tower is 15 m, when the Sun’s elevation is 30°. What is the length of the shadow, when the Sun’s elevation is 60°?

Choices

Choice (4)Response

a.

3 m

b.

5 m

c.

6 m

d.

4 m

Question 521

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Question

MCQ▾

In an experiment, it was observed that when the length of a wire in an electrical circuit is doubled, everything else remaining same, the current becomes half. On the other hand, if the thickness (diameter) of the wire is doubled, the current becomes 4 times. Two wires W1 and W2 of the same metal have the same current passing through them. The thickness of wire W2 is twice that of W1, then the length of the wire W2 is

Choices

Choice (4)Response

a.

sixteen times that of wire W1

b.

two times that of wire W1

c.

four times that of wire W1

d.

same as that of wire W1

Question 522

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Question

MCQ▾

The ratio of ages of Mohan and Sohan is 4: 3. If the sum of their ages is 42 years, then the age of Mohan is

Choices

Choice (4)Response

a.

24year

b.

18year

c.

28 year

d.

20 year

Question 523

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Question

MCQ▾

In 19th century, women of which country agitated against corsets and tight dressings?

Choices

Choice (4)Response

a.

Women of Germany

b.

Women of America

c.

Women of England

d.

Women of France