A ball is dropped from a height of 10 m. It strikes the ground and rebounds up to a height
of 2.5 m. During the collision, the per cent loss in the kinetic energy is:
1). 100%
2). 25%
3). 50%
4). 75%
City U is 9 km towards the east of City V.
City W is 5 km towards the south of City U.
City X is 3 km towards the west of City W.
City Y is 5 km towards the north of City X.
City Z is 7 km towards the south of City X.
Which of the cities lie on a straight line?
1). UXZ
2). YWU
3). XZY
4). UVW
$SnCI_{2} + 2HgCI_{2} ---> Hg_{2}CI_{2} + SnCI_{4}$
In the given reaction:
1). $HgCI_{2}$ is oxidised
2). $SncI_{2}$ is oxidised
3). $Hg_{2}CI_{2}$ is oxidised
4). $HgCI_{2}$ is reduced
X's rank was 12 from the top. If the total number of students in the class was 16. then X's
rank from the bottom of the class is:
1). 5
2). 6
3). 4
4). 7
The ratio of the heights of Nam and Leelu is 4:3. If Leelu is 1.2 m tall then what is the
height of Nam ?
1). 1.8 m
2). 2 m
3). 1.6 m
4). 0.9 m