3196: If you want to see gharials in their natural habitat, which one of the following is the best place to visit?
(a) Bhitarkanika Mangroves
(b) Chambal River
(c) Pulicat Lake
(d) Deepor Beel
3197: A man takes 6 km distance to go round a rectangular area. If the area of the rectangle is 2 km, find the difference between length and breadth
(a) 1 km
(b) 0.5 km
(c) 2 km
(d) 0.75 km
3198: There are 240 balls and n number of boxes B1, B2, B3... Bn . The balls are to be placed in the boxes such that B1 should contain 4 balls more than B2, B2 should contain 4 balls more than B3, and so on. Which one of the following cannot be the possible value of n?
(A) 7
(B) 6
(C) 5
(D) 4
3199: The first bird is believed to have appeared on the surface of the earth
(a) 300 million years ago
(b) 200 million years ago
(c) 150 million years ago
(d) 100 million years ago
3200: In the balanced dietaries for a day of an adult working man, weights of carbohydrate food and total protein food (both superior and inferior) should be in order of
(a) 600 gm and 420 gm respectively
(b) 600 gm and 600 gm respectively
(c) 420 gm and 600 gm respectively
(d) 420 gm and 420 gm respectively