3066: The first Trade Union in India was:
(a) Madras Labour Union
(b) Bombay Postal Union
(c) Printers Union of Calcutta
(d) All India Trade Union Congress
3067: Which of the following metals is used in the electromagnets?
(a) Soft iron
(b) Stainless steel
(c) Cobalt
(d) Copper
3068: A person sitting in a bus experiences a jerk, when the bus stops all of a sudden. This is due to:
(a) Law of inertia
(b) Newton's third law of motion
(c) Einstein's law of relativity
(d) None of these
3069: Which one of the following cities is nearest to the equator ?
(a) Jakarta
(b) Colombo
(c) Singapore
(d) Manila
3070: Four metal rods of lengths 78 cm, 104 cm, 117 cm and 169 cm are to be cut into parts of equal length. Each part must be as long as possible. What is the maximum number of pieces that can be cut?
(A) 36
(B) 43
(C) 27
(D) 11