871: The given map relates to :
(a) Kanishka at the time of his death
(b) Samudragupta after the close of his South Indian campaign
(c) Ashoka towards close of his reign
(d) Empire of Thaneswar on the eve of Harsh's accession
872: Assertion
Carbon dioxide in air is necessary for sustaining life
Reason
Carbon dioxide is assimilated in carbohydrates in photosynthesis
(a) if A and R both are correct and R is the correct explanation of A
(b) if A and R both are correct but R is not the correct explanation of A
(c) if A is correct and R is incorrect
(d) if A is incorrect and R is correct
873: Brahmo Samaj was founded by:
(a) Raja Ram Mohan Roy
(b) David Hare
(c) Derozio
(d) Alexander
874: Consider the following statements :
Glass can be etched or scratched by
I. diamond.
II. hydrofluoric acid.
III. aquaregia.
IV. cone, sulphuric acid.
Which of these statements are correct ?
(a) I and IV
(b) II and III
(c) I and II
(d) II and IV
875: In a single throw of a pair of dice, what is the probability of getting a sum of 8 ?
(a) 8/12
(b) 1/36
(c) 4/36
(d) 5/36