3996: Gopal, Harsh, Inder, Jai and Krishnan have Ahmedabad, Bhopal, Cuttack, Delhi and Ernakulam as their hometowns (Not necessarily in that order). They are studying in Engineering, Medical, Commerce, Economics and History Colleges (Not necessarily in that order). None of the five boys is studying in his hometown, but each of them studies in one of the cities given above.
Further it is given that:

(i) Gopal's hometown is Ernakulam.

(ii) Harsh is not stuyding in Ahmedabad or Bhopal.

(iii) Economics College is in Bhopal.

(iv) Inder's hometown is Cuttack.

(v) Krishnan is studying in Delhi.

(vi) Jai is studying in Ernakulam and the History College is in his hometown Ahemdabad.

(vii) Engineering College is situated in Ernakulam


Which College is situated in Inder's hometown?

(A) Economics
(B) Medical
(C) Commerce or Medical
(D) Commerce
3997: When compared to the mammals, birds are less sensitive to temporary deprivation of water, because:

(a) The water requirement per unit weight is less in birds than in mammals.

(b) Absorption of water from the gut is more efficient in birds than in mammals.

(c) Urea excretion in mammals entails a greater loss of water than that in birds.

(d) None of these
3998: With reference to the Constitution of India, consider the following statements:

1. No High Court shall have the jurisdiction to declare any central law to be constitutionally invalid.
2. An amendment to the Constitution of India cannot be called into question by the Supreme Court of India.

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
3999: Which of the following is/are the possible consequence/s of heavy sand mining in riverbeds ?

1. Decreased salinity in the river
2. Pollution of groundwater
3. Lowering of the water-table
Select the correct answer using the code given below :
(a) 1 only
(b) 2 and 3 only
(c) 1 and 3 only
(d) 1 ,2 and 3
4000: 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