4186: Which Article of the Constitution of India says, "No child below the age of fourteen years shall be employed to work in any factory or mine or engaged in any other hazardous employment"?

(a) Article 24
(b) Article 45
(c) Article 330
(d) Article 368
4187: There are 8 equitant points A, B, C, D, E, F, G and H in the clockwise direction on the periphery of a circle. In a time interval t, a person reaches from A to C with uniform motion while another person reaches the point E from the point B during the same time interval with uniform motion. Both the persons move in the same direction along the circumference of the circle and start at the same instant. How much time after the start, will the two persons meet each other?

(A) 4t
(B) 7t
(C) 9t
(D) Never
4188: 'Hand-in-Hand 2007', a joint anti-terrorism military training was held by the officers of the Indian Army and Officers of Army of which one of the following countries?

(a) Japan
(b) China
(c) Russia
(d) USA
4189: The Parliament of India acquires the power to legislate on any item in the State List in the national interest if a resolution to that effect is passed by the

(a) Lok Sabha by a simple majority of its total membership
(b) Lok Sabha by a majority of not less than two-thirds of its total membership
(c) Rajya Sabha by a simple majority of its total membership
(d) Rajya Sabha by a majority of not less than two-thirds of its members present and voting
4190: Which one of the following pairs of materials serves as electrodes in chargeable batteries commonly used in devices such as torchlights, electric shavers, etc?

(a) Nickel and cadmium

(b) Zinc and carbon

(c) Lead peroxide and lead

(d) Iron and cadmium