2501: Match List-I (Fuel Gases) with List-II (Major Constituents) and select the correct answer using the codes given below the Lists:
List-I -- List-II
(Fuel Gases) -- (Major Constituents)
A. CNG -- 1. Carbonmonoxide, Hydrogen
B. Coal gas -- 2. Butane, Propane
C. LPG -- 3. Methane, Ethane
D. Water gas -- 4. Hydrogen, Methane, Carbonmonoxide
Codes:
A B C D
(a) 2 1 3 4
(b) 3 4 2 1
(c) 2 4 3 1
(d) 3 1 2 4
2502: Assertion (A) :
Oral Rehydration Therapy (ORT) has been strongly recommended for reducing infant mortality
Reason (R) :
Gastrointestinal problems are very common among children especially in the developing countries
(a) Both A and R are true and R is the correct explanation of A
(b) Both A and R are true but R is not a correct explanation of A
(c) A is true but R is false
(d) A is false but R is true
2503: Which of the following Muslim rulers enforced price control system ?
(a) Alauddin Khilji
(b) Mohammad Tughlaq
(c) lltutmish
(d) Balban
2504: Which of the following is the chief characteristic of 'mixed farming'?
(a) Cultivation of both cash crops and food crops
(b) Cultivation of two or more crops in the same field
(c) Rearing of animals and cultivation of crops together
(d) None of the above
2505: The average age of a cricket team reduces by 2 when two senior players aged 32 and 30 are replaced by 2 youngsters of equal age. What is the age of these new players?
(a) 20
(b) 22
(c) 24
(d) 26