1826: Examine the following statements regarding a set of balls :
I. All balls are black.
II. All balls are white.
III. Only some balls are black.
IV. No balls are black.
Assuming that the balls can only be black or white, which two statements given above can both be true, but cannot both be false ? Choose the correct answer from the codes given below :
Codes :
(a) I and IV
(b) I and III
(c) II and III
(d) III and IV
1827: Assertion : (A)
Though India's national income has gone up several fold since 1947, there has been no marked improvement in the per capita income level.
Reason : (R)
Sizeable proportion of the population of India is still living below the poverty line.
In the context of the above two statements which one of the following is correct ?
(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
1828: The blood glucose level is commonly expressed as
(a) mm of Hg
(b) milligram per decilitre
(c) parts per million
(d) grams per litre
1829: The first geostationary satellite launched by India is:
(a) Aryabhata
(b) Bhaskara
(c) APPLE
(d) INSAT 1B
1830: Proportional representation is NOT necessary in a country where
(a) there are no reserved constituencies
(b) a two-party system has developed
(c) the first-past-post system prevails
(d) there is a fusion of Presidential and Parliamentary forms of governments