3771: Examine the following statements :
I. All children are inquisitive.
II. Some children are inquisitive.
III. No children are inquisitive.
IV. Some children are not inquisitive.
Among these statements, the two statements which cannot both be true simultaneously but can both be false would be
(a) I and III
(b) I and IV
(c) II and III
(d) III and IV
3772: The Brahmaputra, Irrawady and Mekong rivers originate in Tibet and flow it through narrow and parallel mountain ranges in their upper reaches. Of these rivers, Brahmaputra makes a "U" turn in its course to flow into India. This "U" turn is due to
(a) Uplift of folded Himalayan series
(b) Syntaxial bending of geologically young Himalayas
(c) Geo-tectonic disturbance in the tertiary folded mountain chains
(d) Both (a) and (b) above
3773: Which of the following statements about the cultivation of tea and coffee is true?
(a) Tea grows at a higher altitude than coffee
(b) Coffee grows at a higher altitude than tea
(c) Both grow at about the same altitude
(d) There is no climatic relationship between the two crops
3774: A man purchases two clocks A and B at a total cost of Rs. 650. He sells A with 20% profit and B at a loss of 25% and gets the same selling price for both the clocks. What are the purchasing prices of A and B respectively ?
(a) Rs. 225; Rs. 425
(b) Rs. 250; Rs. 400
(c) Rs. 275; Rs. 375
(d) Rs. 300; Rs. 350
3775: Which one of the following dances involves solo performance ?
(a) Bharatanatyam
(b) Kuchipudi
(c) Mohiniattam
(d) Odissi