Trigonometric ldentities and Equations Test

Result

Trigonometric ldentities and Equations Test - 105

Score
-
out of -
Rank
-
out of -

TIME Taken - -

SHARING IS CARING

If our Website helped you a little, then kindly spread our voice using Social Networks. Spread our word to your readers, friends, teachers, students & all those close ones who deserve to know what you know now.

Weekly Quiz Competition

Question 1
4 / -1

Angles of elevation of the top of a tower from three points (collinear)A, B and C on a road leading to the foot of the tower are 30^o, 45^o and 60^o respectively. The ratio of AR to BC is

A

B

C

D

Solution
Question 2
4 / -1

The angular elevation of a tower CD at a point A due south of it is 60^o and at a point B due west of A, the elevation is 30^o. If AB = 3km, the height of the tower is

A

B

C

D

Solution
Question 3
4 / -1

20 metre high flag pole is fixed on a 80 metres high pillar, 50 metres away from it, on a point on the base of pillar the flag pole makes an angle α, then the value of tanα, is

A

B

C

D

Solution
Question 4
4 / -1

Two men are on the opposite side of a tower. They measure the angles of elevation of the top of the tower 45^o and 30^o respectively. If the height of the tower is 40 m, find the distance between the men

A
40 m

B
40√3 m

C
68.280 m

D
19.28 m

Solution
Question 5
4 / -1

The angles of elevation of the top of a tower (A) from the top (B) and bottom (D) at a building of height a are 30^o and 45^o respectively. If the tower and the building stand at the same level, then the height of the tower is

A

B

C

D

Solution
Question 6
4 / -1

A ladder 5 metre long leans against a vertical wall. The bottom of the ladder is 3 metre from the wall. If the bottom of the ladder is pulled 1 metre farther from the wall, how much does the top of the ladder slide down the wall

A
1 m

B
7 m

C
2 m

D
None of these

Solution
Question 7
4 / -1

The angle of elevation of the top of a pillar at any point A on the ground is On walking 40 metres towards the pillar, the angle become 30^o. The height of the pillar is

A
40 m

B
20 m

C

D

Solution
Question 8
4 / -1

The top of a hill observed from the top and bottom of a building of height h is at the angle of elevation p and q respectively. The height of the hill is

A

B

C

D
None of these

Solution
Question 9
4 / -1

The shadow of a tower standing on a level ground is x metre long when the sun’s altitude is 300, while it is y metre long when the altitude is 60°. If the height of the tower is 45 √3/2 metre, then x — y is

A

B

C

D

Solution
Question 10
4 / -1

If the angle of elevation of the top of tower at a distance 500 m from its foot is 30^o, then the height of the tower is

A

B

C

D

Solution