2721: The only land-locked country in South-east Asia is
(a) Laos
(b) Thailand
(c) Malaysia
(d) Kampuchea
2722: The memory of a computer is commonly expressed in terms of Kilobytes or Megabytes. A byte is made up of
(a) eight binary digits
(b) eight decimal digits
(c) two binary digits
(d) two decimal digits
2723: A box contains 20 balls of which 8 are green, 7 are white and 5 are red. What is the minimum number of balls to be picked up without replacement to make sure that at least one ball of each colour is drawn?
(a) 11
(b) 13
(c) 14
(d) 16
2724: Consider the following:
Carbon monoxide
Methane
Ozone
Sulphur dioxide
Which of the above are released into atmosphere due to the burning of crop/biomass residue?
(a) 1 and 2 only
(b) 2, 3 and 4 only
(c) 1 and 4 only
(d) 1, 2, 3 and 4
2725: Ajanta paintings depict:
(a) Ramayana
(b) Mahabharata
(c) Jatakas
(d) Panchatantra