Mathematics-Trigonometry (NTSE Stage-1 (State-Level) Scholastic-Aptitude & Language Comprehension): Questions 16 - 22 of 51

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 1058 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: 16

» Mathematics » Trigonometry

MCQ▾

Question

Given that Equation and area of ∆ ABC = 16, area of ∆PQR = 9.

If PQ = 18 cm and BC = 12 cm. Then, AB and QR are, respectively

Choices

Choice (4) Response

a.

13.5 cm, 16 cm

b.

9 cm, 24 cm

c.

32 cm, 6.75 cm

d.

24 cm, 9 cm

Question number: 17

» Mathematics » Trigonometry

MCQ▾

Question

In right ∆ABC, BC = 7 cm, AC - AB = 1 cm and ∠ B = 90°. The value of Equation is

Choices

Choice (4) Response

a.

1/7

b.

32/24

c.

25/31

d.

31/25

Question number: 18

» Mathematics » Trigonometry

MCQ▾

Question

The angles of elevations of the top of the tower from two points in the same straight line and at a distance of 9 m and 16 m from the base of the tower are complementary. The height of the tower is

Choices

Choice (4) Response

a.

18 m

b.

10m

c.

16m

d.

12m

Question number: 19

» Mathematics » Trigonometry

MCQ▾

Question

The angles of a triangle are Equation . Find the value of x.

Choices

Choice (4) Response

a.

22°

b.

30°

c.

25°

d.

35°

Question number: 20

» Mathematics » Trigonometry

MCQ▾

Question

The value of Equation is equal to

Choices

Choice (4) Response

a.

2

b.

1

c.

Equation

d.

0

Question number: 21

» 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

Question number: 22

» Mathematics » Trigonometry

MCQ▾

Question

∆ABC is a right angled at C and P is the length of the perpendicular from C to AB. If BC = a, AC = b, and AB = c, then

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

All of the above

f Page
Sign In