51: Left pan of a faulty balance weighs 100 gram more than its right pan. A Shopkeeper keeps the weight measure in the left pan while buying goods but keeps it in the right pan while selling his goods. He uses only 1 kg weight measure. If he sells his goods at the listed cost price, what is his gain?
(A) 100/9%
(B) 100/11%
(C) 200/9%
(D) 200/11%
52: In the Indian context, what is the implication of ratifying the 'Additional Protocol' with the `International Atomic Energy Agency (IAEA)' ?
(a) The civilian nuclear reactors come under IAEA safeguards.
(b) The military nuclear installations come under the inspection of IAEA.
(c) The country will have the privilege to buy uranium from the Nuclear Suppliers Group (NSG).
(d) The country automatically becomes a member of the NSG.
53: Which of the following types is used by computed tomography employed for visualization of the internal structure of human body ?
(a) Magnetic resonance
(b) X-rays
(c) sound Waves
(d) Radioisotopes
54: If father has blood group A and mother has blood group O, then which one of the following blood group may be found in their son ?
(a) B
(b) AB
(c) O
(d) B, AB or O
55: Guinea pigs used in medical research are:
(a) Rodents
(b) Black swine
(c) Stocky and brown in colour
(d) Found in Asia only