496: In the given figure, all line segments of the shaded portion are of the same length and at right angles to each other. The same can be cut out of a board of side 10 cm. What is the area of the shaded portion ?
(a) 36 cm2
(b) 48 cm2
(c) 52 cm2
(d) 64 cm2
497: Who among the following have a right to vote in the Vice-Presidential election but not in the Presidential election ?
(a) Ministers who are not members of either House of the Parliament
(b) Elected members of the Upper Houses of the States
(c) Nominated members of the Parliament
(d) Members of the Parliament who abstain from all meetings of the House for a period of sixty days without permission of the House
498: Who among the following Indians mostly encouraged the remarriage of the widows?
(a) jaisingh
(b) Ahilya Bai
(c) Sarfoji
(d) Raja Ram Mohan Roy
499: The path of Halley's comet in its orbit around the sun is
(a) Parabolic
(b) Hyperbolic
(c) Elliptical
(d) Circular
500: Which one of the following is the most fundamental difference between Mahayana Buddhism and Hinayana Buddhism ?
(a) Emphasis on ahimsa
(b) Casteless society
(c) Worship of gods and goddesses
(d) Worship of stupa