A line is an undefined term because of it :   1. Contains an infinite number of points 2. can be used to create other geometric shapes 3. is a term that does not have a formal definition   In Geometry, unless it's stated, a line will extend in one dimension and goes on forever in both ways.

Answer: B) Cartography Explanation: The art and science of map making is called Cartography.

Answer: C) cosx Explanation:   Thus, the derivative of sinx by first principle is cosx.

Answer: A) 36 days Explanation: Given the ratio of efficiencies of P, Q & R are 3 : 8 : 5 Let the efficiencies of P, Q & R be 3x, 8x and 5x respectively They can do work for 12 days. => Total work = 12 x 16x = 192x   Now, the required time taken by Q to complete the job alone = 162x8x = 24 days.

Answer: C) 4 Explanation: Let the required number be 'N' given that its quarter i.e; N/4 exceeds its double i.e, 2N by 7 => N/4 + 7 = 2N => N + 28 = 8N 7N = 28 N = 4.

Answer: B) 128 sq.cm Explanation: Area =    = 96   Sum of Area =

Answer: A) Smt. Malvika Sinha Explanation: The Reserve Bank of India has appointed Smt. Malvika Sinha as Executive Director (ED). As Executive Director Smt. Sinha will look after Foreign Exchange Department, Department of Government and Bank Accounts and Internal Debt Management Department. Smt. Malvika Sinha holds a Masters Degree from University of Bombay and has done her Masters in Public Administration. She is also a Certificated Associate of Indian Institute of Bankers. Smt. Sinha joined Reserve Bank in 1982 and as a career central banker served in the areas of regulation and supervision, foreign exchange and Government and Bank Accounts in the Bank. Prior to being promoted as ED, Smt. Sinha was Principal Chief General Manager, Department of Co-operative Banking Supervision in the Reserve Bank.

Answer: D) None of these Explanation: