Mathematics-Trigonometry (NTSE Stage-1 (State-Level) Scholastic-Aptitude & Language Comprehension): Questions 12 - 18 of 48

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 1042 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 450.00 or

Question number: 12

» Mathematics » Trigonometry

MCQ▾

Question

In figure, AOC and BOC form a linear pair. Then, the value of x is

A line which make angles with another straight line

A Line Which Make Angles With Another Straight Line

Find the value of angles made by two lines

Choices

Choice (4) Response

a.

40°

b.

25°

c.

30°

d.

15°

Question number: 13

» Mathematics » Trigonometry

MCQ▾

Question

The perimeter of an equilateral triangle whose area is 4

3

cm 2 is

Choices

Choice (4) Response

a.

8 cm

b.

3 cm

c.

4 cm

d.

12 cm

Question number: 14

» 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: 15

» 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)

Question number: 16

» Mathematics » Trigonometry

MCQ▾

Question

If A + B = 45°

then

(1+tanA)(1+tanB)

is equal to

Choices

Choice (4) Response

a.

2

b.

-2

c.

-1

d.

1

Question number: 17

» Mathematics » Trigonometry

MCQ▾

Question

Two posts are K m apart and the height of one is double that of the other. If from the middle point of the line joining their feet, an observer finds the angular elevation of their tops to be complementary, then the height (in m) of the shorter post is

Choices

Choice (4) Response

a.

K22

b.

K2

c.

3K

d.

2K

Question number: 18

» Mathematics » Trigonometry

MCQ▾

Question

In the given figure, what is the value of x?

A triangle with given angles

A Triangle With Given Angles

Find the value of x by using given values of angles

Choices

Choice (4) Response

a.

a3

b.

a3 + 1

c.

a - 1

d.

a2

f Page
Sign In