2536: Which one of the following types of coal contains a higher percentage of carbon than the rest ?
(a) Bituminous coal
(b) Lignite
(c) Peat
(d) Anthracite
2537: Neil Armstrong was the first person to reach on the moon. While walking on the moon:
(a) His mass remained the same but weight increased
(b) His mass remained the same but weight decreased
(c) His mass as well as weight decreased
(d) His mass increased but weight remained the same
2538: When the same note is played on a sitar and a flute, the sound produced can be distinguished from each other because of the difference in
(a) pitch, loudness and quality
(b) pitch and loudness
(c) quality only
(d) loudness only
2539: The largest source of financing the public sector outlay of the Eighth Five year plan Comes from
(a) balance from current revenue
(b) contribution of public enterprises
(c) government borrowings
(d) deficit financing
2540: Assertion (A)
The Congress Ministries in all the provinces resigned in the year 1939.
Reason (R)
The Congress did not accept the decision of the Viceroy to declare war against Germany in the context of the Second World War.
(a) Both A and R are true and R is the correct explanation of A
(b) Both A and R are individually true but R is not the correct explanation of A
(c) A is true but R is false
(d) A is false but R is true