2696: If the price of a television set is increased by 25%. then by what percentage should the new price be reduced to bring the price back to the original level ?
(a) 15%
(b) 25%
(c) 20%
(d) 30%
2697: Which of the following statements is/are correct?
1. Viruses lack enzymes necessary for the generation of energy.
2. Viruses can be cultured in any synthetic medium.
3. Viruses are transmitted from one organism to another by biological vectors only.
Select the correct answer using the codes given below.
(a) 1 only
(b) 2 and 3 only
(c) 1 and 3 only
(d) 1, 2 and 3
2698: The Constitution of India borrowed the scheme of Indian Federation from the Constitution of
(a) USA
(b) Canada
(c) Ireland
(d) UK
2699: A stone is tied to a rope and attached to a wooden bar which rotates at constant angular velocity. Suddenly the bar is stopped. The stone gets encircled around the bar. What happens to the angular velocity of the stone.
(a) Increases
(b) Decreases
(c) Remains the same
(d) First increases and then decreases
2700: India is an important member of the 'International Thermonuclear Experimental Reactor'. If this experiment succeeds, what is the immediate advantage for India?
(a) It can use thorium in place of uranium for power generation
(b) It can attain a global role in satellite navigation
(c) It can drastically improve the efficiency of its fission reactors in power generation
(d) It can build fusion reactors for power generation