NTSE Stage-1 (State-Level) Scholastic-Aptitude & Language Comprehension: Questions 752 - 756 of 1058

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Question number: 752

» Chemistry » Periodic Classification of Elements

MCQ▾

Question

Which of the following pairs of elements represents a mole ratio of 1: 1?

Choices

Choice (4) Response

a.

20 g of C and 12 g of C

b.

20 g of Ca and 20 g of Na

c.

12 g of Mg and 6 g of C

d.

10 g of C and 12 g of Mg

Question number: 753

» Physics » Light

MCQ▾

Question

Two lenses are placed in contact with each other and the focal length of the combination is 80 cm. If the focal length of one is 20 cm, then the power of the other will be

Choices

Choice (4) Response

a.

-3.75D

b.

-1.0 D

c.

4.0 D

d.

1.66 D

Question number: 754

» General Knowledge » World

MCQ▾

Question

The headquarters of the United Nations Educational Scientific and Cultural Organization (UNESCO) is situated at

Choices

Choice (4) Response

a.

Austria

b.

Paris

c.

Washington DC

d.

Geneva

Question number: 755

» General Knowledge » World

MCQ▾

Question

Consider the following statements

I. The development of cotton industries in Britain affected textile producers in India.

II. Indian textiles had to compete with British textiles in the European and American markets.

III. Exporting textile to England became increasingly difficult, since very high duties were imposed on Indian textiles imported into Britain.

Which of the above statements) is/are true about thedecline on Indian textiles?

Choices

Choice (4) Response

a.

I and II

b.

I and III

c.

Only I

d.

All a. , b. and c. are correct

Question number: 756

» Mathematics » Trigonometry

MCQ▾

Question

If sin (θ + ϕ) = 2 sin (θ - ϕ), then

Choices

Choice (4) Response

a.

sin θ = 3 sin θ

b.

sin ϕ =sin 2 θ

c.

cot ϕ = 3 tan θ

d.

tan θ = 3 tan ϕ

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