4246: Of the four forms of political protests mentioned below, which one is derived from the name of the person who used it as a political weapon for the first time ?
(a) Boycott
(b) Gherao
(c) Bandh
(d) Hartal
4247: Atmospheric pressure exerted on earth is due to the:
(a) Rotation of earth
(b) Revolution of earth
(c) Gravitational pull
(d) Uneven heating of earth
4248: A man starts walking in the north-easterly direction from a particular point. After walking a distance of 500 metres, he turns southward and walks a distance of 400 metres. At the end of this walk he is situated
(a) 300 metres north of the starting point
(b) 100 metres north-east of the starting point
(c) 300 metres east of the starting point
(d) 100 metres north of the starting point
4249: A hollow sphere of radius R, a hollow cube of side R and a thin circular plate of radius R, made up of the same material, are all heated to 20°C above room temperature. When left to cool in the room, which of them will reach the room temperature first?
(a) Circular plate
(b) Cube
(c) Sphere
(d) All of them will reach the room temperature at the same time
4250: In India, it is legally mandatory for which of the following to report on cyber security incidents?
1. Service providers
2. Data centres
3. Body corporate
Select the correct answer using the code given below:
(a) 1 only
(b) 1 and 2 only
(c) 3 only
(d) 1, 2 and 3