3451: 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
3452: The graph of 2x + 3y = 12 intersects Y-axis at the point:
(a) (0, 4)
(b) (0, 6)
(c) (4, 0)
(d) (6, 0)
3453: The shortest route from New Delhi to Vancouver is:
(a) New Delhi--Bangkok--Tokyo--Vancouver
(b) New Delhi--London--New York--Vancouver
(c) New Delhi--Paris--New York--Vancouver
(d) New Delhi--Moscow--New York--Vancouver
3454: Which of the following is a balanced fertiliser for plants?
(a) Urea
(b) Ammonia sulphate
(c) Nitrates
(d) Compost
3455: Convertibility of the rupee implies
(a) being able to convert rupee notes into gold
(b) allowing the value of the rupee to be fixed by market forces
(c) freely permitting the conversion of rupee to other major currencies and vice versa
(d) developing an international market for currencies in India