2241: Which number does not fit in the series

0, 1, 3, 6, 10, 15, 21, 28, 37, 45

(a) 0

(b) 21

(c) 37

(d) 45
2242: Chemical composition of pearl is:

(a) Calcium carbonate

(b) Calcium carbonate and magnesium carbonate

(c) Calcium sulphate

(d) Calcium chloride
2243: In which one of the following areas does the State Government NOT have control over its local bodies ?

(a) Citizen's grievances

(b) Financial matters

(c) Legislation

(d) Personnel matters
2244: Poison glands of snakes are homologous to

(a) electric organs of fishes

(b) stings of rays

(c) sebaceous glands of mammals

(d) salivary glands of vertebrates
2245: Which of the following iron & steel plants is closer to coal deposits than iron ore deposits ?

(a) Bhilai & Bokaro

(b) Jamshedpur & Bhadrawati

(c) Burnpur & Hirapur

(d) Durgapur & Rourkela