4181: Consider the following statements:
1. A geostationary satellite is at an approximate height of 10,000 km.
2. FM transmission of music is of very good quality because the atmospheric or man-made noises which are generally frequency variations can do little harm.
Which of the following statements given above is/are correct?
(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 or 2
4182: The thermal power plant of Bokaro is located in
(a) Bihar
(b) Chhattisgarh
(c) Jharkhand
(d) Orissa
4183: Which amongst the following provided a common factor for tribal insurrection in India in the 19th century ?
(a) Influence of rise of a large number of money lenders, traders and revenue farmers as middlemen in tribal areas
(b) The complete disruption of the old agrarian order of the' tribal communities
(c) Influence of foreign religious missionaries in tribal areas
(d) Introduction of a new system of land revenue and taxation of tribal products
4184: Which one of the following statements is not correct?
(a) India is the second largest producer of nitrogenous fertilisers in the world
(b) India is the ninth largest steel producing county in the world
(c) India is the second largest producer of silk in the world
(d) India ranks third in the world in coal production
4185: There are 50 students admitted to a nursery class. Some students can speak only English and some can speak only Hindi. 10 students can speak both English and Hindi. If the number of students who can speak English is 21, then how many students can speak Hindi, how many can speak only Hindi and how many can speak only English ?
(a) 21, 11 and 29 respectively
(b) 28, 18 and 22 respectively
(c) 37, 27 and 13 respectively
(d) 39, 29 and 11 respectively