1.Radio was invented by (1) (a) Thomas Alva Edison (b) Graham Bell (c) J.L. Baird (d) G. Marconi 2. A in AIDS stands for (3) (a) Accumulate (b) Acquired (c) Acute (d) None of these 3. Brass is an alloy…

1.If the numerical value of the volume of a right circular cylinder and its curved surface area are equal, then its radius is (2) (a) 2 units (b) 4 units (c) 3 units (d) 6 units 2.If (3x -y) :…

1.Which gas is filled in the balloon?  (3) (a) Hydrogen (b) Organe (c) Helium (c) Oxygen 2. The main component of biogas is  (1) (a) Methane (b) Ethane (c) Propane (d) Ammonia 3. What is laughing gas?  (2) (a) Ammonia…

1.The square root of 0.09 is (1) (a) 0. 30 (b) 0.03 (c) 0.81 (d) 0.081 2. If the ratio of cost price and selling price of an article be as 10 : 11 the percentage of profit is (2)…

1.Select the related word from the given alternatives. (4) Tanning : Leather : : Pyroteehnics : ? (a) Wool (b) Machinery (c) Bombs (d) Fireworks 2.Select the related word from. the given alternatives. (2) King : Throne : : Rider…

1.GSLV Project of India is connected with (4) (a) Agriculture development (b) Conservation of river water (c) Banking system (d) Missile engines for space programmes 2.Who presides over the Joint Session Indian Parliament? (2) (a) Senior most Member of Parliament…