Q1. A ladder of length 19m is resting against a wall. It makes an angle of 60° with the ground. What is the distance of the ladder from the wall?
|A. 6.5 m||B. 10 m|
|C. 8.5 m||D. 9.5 m|
Q2. Gaurav is standing on the bank of river observes that the angle suspended by a tree on the opposite bank is 60°. When he goes 36 m away from the bank, he finds the angle to be 30° . What is the width of the river?
|A. 18 m||B. 19 m|
|C. 20 m||D. 17 m|
Q3. The length of the shadow of a tower is 2 meter, and its height is 2 3 meters. Find the angle of elevation of the Sun?
|A. 45°||B. 60°|
|C. 35°||D. 40°|
Q4. To objects are situated on the same of a building. Observed from the top of the building their angles of depression are 45°, and 60°. Find the distance between the objects, if the height of the building is 150 meter?
|A. 86.7 m||B. 89.8 m|
|C. 63.5 m||D. 76.9 m|
Q5. The top of a tree makes an angle of elevation of 30° with the top of a pillar and 60° with the bottom of a pillar. If the height of the tree is 15 meter, find the height of the pillar?
|A. 6 meter||B. 12 meter|
|C. 8 meter||D. 10 meter|
Q6. Two temples opposite to each other are located on each bank of a river Ganga. One temple is 54 meter height. From the top of this temple the angle of depression of the foot and the top of other temple are 60° and 30° respectively. Find the height of the other temple and the breadth of the river Ganga?
|A. 33.1 meter and 20 meter||B. 30 meter and 15 meter|
|C. 31.14 meter and 18 meter||D. 35 meter and 22 meter|
Q7. A bike is moving at a uniform speed towards an observation tower. It takes 12 minutes for the angle of depression to change from 30° to 45°. After this, how much time will this bike take to reach the observation tower?
|A. 18 min. 5 sec.||B. 14 min. 35 sec.|
|C. 15 min. 49 sec.||D. 16 min. 23 sec.|