3411: Milindapanho is in the form of a dialogue between the King Menander and the Buddhist monk
(a) Nagasena
(b) Nagarjuna
(c) Nagabhatta
(d) Kumarilabhatta
3412: A balloon filled with air is weighed (W) so that it just floats in water as shown in the figure. When it is further pushed by a short distance in water, it will:
(a) Sink to the bottom.
(b) Stay at the depth where it stands submerged.
(c) Come back to its original position.
(d) Sink down a little further but will not reach the bottom.
3413: There are three tables containing two drawers each. It is known that one of the table contains a silver coin in each of its drawers, another table contains a gold coin in each drawer while the third table contains a silver coin in one drawer and a gold coin in the other. One of the drawers of a table is opened and found to contain a silver coin. What is the probability that the other drawer of that table contains a gold coin ?
(a) 1
(b) 0.5
(c) 0.25
(d) 0.75
3414: The half-life of a radio active element is 5 years. The fraction of the radioactive substance that remains after 20 years is
(a) 1/2
(b) 1/4
(c) 1/8
(d) 1/16
3415: A and B can complete work together in 5 days. If a works at twice his speed and B at half of his speed this works can be finished in 4 days. How many days would it take for A alone to complete the job ?
(A) 18
(B) 10
(C) 12
(D) 15