871: Which among the following has the largest perimeter?
(a) A square with an area of 25 sq cm
(b) An equilateral triangle with side 5 cm
(c) A circle with diameter 4 cm
(d) A rectangle with area 84 sq cm and one side 12 cm
872: A passing motorcycle causes distortion or disturbance with reception of signal in radio and T.V. The cause of this is
(a) The intense sound waves effect the small electronic devices of the receptor
(b) The vehicle's metal parts block/distort the radio waves
(c) The spark plug fitted in the engine produces electro-magnetic signals due to sparking
(d) Modern motor-cycles are fitted with electric ignition system which produces radio waves
873: Which of the following determines the protein quality of food?
(a) Protein amalgamation
(b) Fibre content
(c) Amino acids mixture
(d) Vegetable or animal origin
874: Inflation tends to reduce the share of labour in the GNP (Gross National Product) because
(a) Wages lag behind prices
(b) Prices lag behind wages
(c) Profits lag behind prices
(d) Profits lag behind wages
875: Which one of the following is located in the Bastar region ?
(a) Rajai National Park
(b) Bandhavgarh National Park
(c) Indravati National Park
(d) Dundeli Sanctuary