636: Indian cotton merchant, banker, Congressman and a close associate of Mahatma Gandhi'. This description fits
(a) G.D. Birla
(b) M.R. Jayakar
(c) Jamnalal Bajaj
(d) V.S. Srinivasa Sastri
637: Which party was founded by Subhash Chandra Bose in the year 1939 after he broke away from the Congress?
(a) Revolutionary Front
(b) Azad Hind Fauj
(c) Forward Block
(d) Indian Freedom Party
638: Which one of the following is known as the Coffee port of the world ?
(a) Sao Paulo
(b) Santos
(c) Rio de Janeiro
(d) Buenos Aires
639: 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)
640: In a group of persons travelling in a bus, 6 persons can speak Tamil, 15 can speak Hindi and 6 can speak Gujarati. In that group none can speak any other language. If 2 persons in the group can speak two languages and one person can speak all the three languages, then how many persons are there in the group ?
(a) 21
(b) 22
(c) 23
(d) 24