Answer: A) ICMP Explanation: ICMP means Internet Control Message Protocol and is always coupled with the IP protocol (There are 2 ICMP variants one for IPv4 and one for IPv6.) echo request and echo response are the two operation codes of ICMP used to implement ping.

Answer: C) 1.8288 Explanation: One fathom = 1.8288 meters = 6 feet A fathom is a unit of length used especially for measuring the depth of water.

Answer: D) 108 yrs Explanation: Let the present ages of the mother and daughter be 2x and x years respectively. Then, (2x - 18) = 3(x - 18) => x = 36 Required sum = (2x + x) = 108 years.

Answer: C) 246 Explanation: The series follows a pattern that, -92, +82, -72, +62, -52

Answer: B) Potential energy Explanation: An object at rest may have Potential energy.

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: C) Bromine Explanation:

Answer: A) Biosphere Explanation: The part of the earth and its atmosphere in which living organisms exist or that is capable of supporting life is called Biosphere.