2781: How many different triangles are there in the figure shown above?
(a) 28
(b) 24
(c) 20
(d) 16
2782: With reference to 'Eco-Sensitive Zones', which of the following statements is/are correct?
1. Eco-Sensitive Zones are the areas that are declared under the Wildlife (Protection) Act, 1972.
2. The purpose of the declaration of Eco-Sensitive Zones is to prohibit all kinds of human activities in those zones except agriculture.
Select the correct answer using the code given below.
(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2
2783: A hemispherical bowl is filled to the brim with a beverage. The contents of a bowl are transferred into a cylindrical vessel whose radius is 50% more than its height. If the diameter is same for both bowl and cylinder, then the volume of the beverage in the, cylindrical vessel will be
(a) 66(2/3)%
(b) 78½%
(c) 100%
(d) more than 100% (that is, some liquid will still be left in the bowl)
2784: Alam Khan, one of those who invited Babar to invade India was
(a) An uncle of Ibrahim Lodhi and a pretender to the throne of Delhi
(b) A cousin of Ibrahim Lodhi who was ill-treated and expelled form the country
(c) The father of Dilawar Khan to whom cruel treatment was meted out by Ibrahim Lodi
(d) A high official in Punjab province who was very much discontented with Ibrahim Lodhi's treatment to his tribe.
2785: Which one of the following is the correct decreasing sequence in terms of the value (in rupees) of the minerals produced in India in the year 2002-03?
(a) Metallic minerals - Fuel minerals - Non-metallic minerals
(b) Fuel minerals - Metallic minerals - Non-metallic minerals
(c) Metallic minerals - Non-metallic minerals - Fuel minerals
(d) Fuel minerals - Non-metallic minerals - Metallic minerals