2456: Consider the following statements in respect of a jet engine and a rocket:
1. A jet engine uses the surrounding air for its oxygen supply and so is unsuitable for motion in space.
2. A rocket carries its own supply of oxygen in the gas form, and fuel.
Which of the statements given above is/are correct ?
(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2
2457: A person has 4 coins each of different denomination. What is the number of different sums of money the person can form (using one or more coins at a time)?
(A) 15
(B) 16
(C) 10
(D) 12
2458: "Khilafat" movement subsided because of the:
(a) Concessions given to Muslims by the British
(b) Amity achieved between Congress and Muslim League
(c) Accession of Kamal Pasha on the throne of Turkey
(d) None of the above
2459: On the Moon, astronauts inflate a rubber balloon with hydrogen gas and release it at a height of 2 metres. The balloon will:
(a) Fall down
(b) Go upwards
(c) Remain at the height of 2 metres
(d) First go up and finally come down
2460: Which one of the following statements is correct ?
(a) All the members of the Rajya Sabha are elected by State Legislative Assemblies
(b) As the Vice-President is the ex-officio Chairman of the Rajya Sabha, only a member of the Rajya Sabha can contest for the office of the Vice-President
(c) A point of difference between the Lok Sabha and the Rajya Sabha is that while a candidate to the Lok Sabha can contest from any State in India, a candidate to the Rajya Sabha should ordinarily be are resident of the State from where he is contesting
(d) The Constitution of India explicitly prohibits the appointment of a nominated member of Rajya Sabha to the post of a minister