NTSE Stage-1 (State-Level) Scholastic-Aptitude & Language Comprehension: Questions 25 - 30 of 1042

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Question number: 25

» Mathematics » Algebraic Expressions

MCQ▾

Question

What can be said about the expansion of 2 12n - 6 4n, where n is a positive integer?

Choices

Choice (4) Response

a.

Last digit is 8

b.

Last digit is 2

c.

Last digit is 4

d.

Last two digits are zero

Question number: 26

» Mathematics » Trigonometry

MCQ▾

Question

If ABCD is a quadrilateral whose diagonals AC and BD intersects at O, then which of the given option is correct?

the image display is Quadrilateral ABCD

The Image Display Is Quadrilateral ABCD

Finding the right equation made by intersecting diagonals in quadrilateral ABCD.

Choices

Choice (4) Response

a.

(AB + BC + CD + DA) = 2 (AC + BD)

b.

(AB + BC + CD + DA) < (AC + BD)

c.

(AB + BC + CD + DA) > (AC + BD)

d.

(AB + BC + CD + DA) < 2 (AC + BD)

Question number: 27

» Biology » Plant and Animal Nutrition

MCQ▾

Question

The first transgenic plants expressing engineered foreign genes were tobacco plants produced by the use of

Choices

Choice (4) Response

a.

Arabidopsis thaliana

b.

Bacillus thuringiensis

c.

Agrobacterium tumefaciens

d.

Streptomyces hygroscopicus

Question number: 28

» Mathematics » Arithmetic

MCQ▾

Question

Two planes start from a city and fly in opposite directions, one averaging a speed of 40 km/h greater than the others. If they are 3400 km apart after 5 h, the average speeds, respectively are

Choices

Choice (4) Response

a.

300, 340 km/h

b.

250, 290 km/h

c.

330, 370 km/h

d.

320, 360 km/h

Question number: 29

» Physics » Light

MCQ▾

Question

An astronaut in a spaceship sees the outer space as

Choices

Choice (4) Response

a.

Blue

b.

White

c.

Black

d.

Red

Question number: 30

» Geography » Our Environment

MCQ▾

Question

The relation between the living organisms, as well as the relation between the organisms and their surroundings is known as

Choices

Choice (4) Response

a.

Biosphere

b.

Lithosphere

c.

Ecosystem

d.

Question does not provide sufficient data or is vague

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