4136: Each of the 3 persons is to be given some identical items such that product of the numbers of items received by each of the three persons is equal to 30. In how many maximum different ways can this distribution be done ?
(A) 27
(B) 24
(C) 33
(D) 21
4137: At which one of the following places do two important rivers of India originate, while one of them flows towards north and merges with another important river flowing towards Bay of Bengal, the other one flows towards Arabian Sea?
(a) Mahabaleshwar
(b) Badrinath
(c) Amarkantak
(d) Nasik
4138: In December 2002, the Prime Minister of India signed "Delhi Declaration" with the
(a) President of Indonesia
(b) President of Russia
(c) Prime Minister of Cambodia
(d) Prime Minister of Laos
4139: The DYARCHY as introduced by the Government of India Act, 1919 postulated which of the following?
(a) A system of dual government in Bengal
(b) Backward classes were entitled to vote
(c) A few subjects were transferred to the Provincial Ministries and the rest retained by the Executive Council
(d) Hindus and Muslims could vote separately
4140: Why camphor disappears when kept on a plate?
(a) It sublimes
(b) It reacts with the metal of the container
(c) It reacts with the gases of the air
(d) None of the above