This comprehensive book is a collection of objective questions for all Competitive Examinations. Substances and Attributes; Plato, Aristotle, Nayaya-Vaisesika and Buddhism; GOD, Soul and the World; Bases of Knowledge; Descartes, Spinoza, Leibnitz and Berkeley; Truth and error; Truth and Validity; Syllogism; Classification of Sentences; Ethics; Sentential Calculus; Miscellaneous