Select the related word from the given alternatives:
Wheel : Spokes :: Fan :
1). Round
2). Air
3). Wings
4). Motor
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%
$SnCI_{2} + 2HgCI_{2} ---> Hg_{2}CI_{2} + SnCI_{4}$
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
The mean score in a test of the 10 boys in a class was 15 while the overall mean of the 25
students in the class was 16.2. What was the mean score of the girls ?
1). 16.8
2). 17
3). 16.5
4). 17.5
In the following series, one letter is missing as shown by the question mark (?). Select the
missing term from the given options.
Q, O, L, H, ?
1). D
2). A
3). B
4). C