NTSE Stage-1 (State-Level) Scholastic-Aptitude & Language Comprehension: Questions 254 - 259 of 1042

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Question number: 254

» Chemistry » Physical and Chemical Changes

MCQ▾

Question

Which of the following characteristics are associated with gaseous state?

Choices

Choice (4) Response
a.

Definite shape, compressible, fixed volume

b.

Fixed shape, incompressible, closely packed

c.

No fixed shape and size, highly compressible

d.

Incompressible, fixed shape and size

Question number: 255

» Mathematics » Trigonometry

MCQ▾

Question

The value of 2+2+2cos4θ is

Choices

Choice (4) Response
a.

2cos 2 Θ

b.

cos 2 Θ

c.

2 cos Θ

d. None of the above

Question number: 256

» Mathematics » Percentage

MCQ▾

Question

A man buys 4 tables and 5 chairs for Rs. 1000. If he sells the tables at 10 % profit and chairs 20 % profit, he earns a profit of Rs. 120. What is the cost of one table?

Choices

Choice (4) Response
a.

Rs. 220

b.

Rs. 200

c.

Rs. 240

d.

Rs. 260

Question number: 257

» Chemistry » Periodic Classification of Elements

MCQ▾

Question

Nitrogen is fixed in ecosystems in ways stated below. Which one of the statements below is false?

Choices

Choice (4) Response
a.

By cyanobacteria

b.

By denitrification

c.

By electrical discharges in the atmosphere

d.

By industrially synthesised fertiliser

Question number: 258

» Mathematics » Probability

MCQ▾

Question

What is the probability of getting at least one head when two coins are tossed simultaneously?

Choices

Choice (4) Response
a.

0.5

b.

0.66

c.

0.75

d.

0.25

Question number: 259

» Mathematics » Trigonometry

MCQ▾

Question

From the top of a pillar of height 20 m the angles of elevation and depression of the top and bottom of another pillar are 30° and 45°, respectively. The height of the second pillar (in m) is

Choices

Choice (4) Response
a.

20

3

b.

203

c.

203(31)

d.

203(3+1)

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