Answer: B) bL = -a Explanation: [(K-L)2-K+L2]4K = abK2+L2-2KL-K2+L2+2KL4K= ab   => - 4KL/4K = a/b   => L = - a/b   => bL = -a

Answer: C) Cauvery Explanation:

Sr. No             Minister                         Portfolio  1.           Shri Narendra Modi         Prime Minister and also in-charge of:                                                            – Ministry of Personnel                                                            – Public Grievances and Pensions                                                            – Department of Atomic Energy                                                            – Department of Space   All important policy issues and all other portfolios not allocated to any Minister.   2.           Shri Raj Nath Singh         Minister of Home Affairs   3.           Smt. Sushma Swaraj       Minister of External Affairs   4.           Shri Arun Jaitley            -  Minister of Finance                                                     – Minister of Corporate Affair  5.           Shri Nitin Jairam Gadkari   – Minister of Road Transport & Highway                                                       – Minister of shipping                                                        – Minister of Water Resources, River Development & Ganga Rejuvenation  6.           Suresh Prabhu                     Minister of Commerce & Industry  7.           D.V Sadananda Gowda        Minister of Statistics & Programme Implementation  8.           Sushri Uma Bharati             Minister of Drinking Water & Sanitation  9.           Nirmala Sitharaman            Minister of Defence  10.         Mukhtar Abbas Naqvi          Minister of Minority Affairs  11.         Shri Ramvilas Paswan         Minister of Consumer Affairs, Food & Public Distribution  12.         Maneka Sanjay Gandhi       Minister of Women & Child Development  13.         Shri Ananth Kumar          – Minister of Chemicals & Fertilizers                                                    – Ministry of Parliamentary Affairs  14.         Shri. Ravi Shankar Prasad    – Minister of Law & Justice                                                                                                    – Minister of Electronics & Information Technology           15.         Shri Jagat Prakash Nadda      Minister of Health & Family Welfare 16.         Ashok Gajapathi Raju Pusapati     Minister of Civil Aviation 17.         Shri. Anant Geete                      Minister of Heavy Industries & Public Enterprises      18.         Smt. Harsimrat Kaur Badal         Minister of Food Processing Industries 19.         Shri Narendra Singh Tomar         – Minister of Rural Development                                                             – Minister of Panchayati Raj                                                            – Minister of Drinking Water & Sanitation 20.         Shri Chaudhary Birender Singh      Minister of Steel 21.         Shri Jual Oram                              Minister of Tribal Affairs 22.         Shri Radha Mohan Singh                Minister of Agriculture & Farmers Welfare           23.         Shri Thawar Chand Gehlot              Minister of Social Justice & Empowerment 24.         Smt. Smriti Irani                           – Minister of Textiles                                                                – Minister of Information & Broadcasting             25.         Dr Harsh Vardhan                         – Minister of Science & Technology                                                                – Minister of Earth Sciences                                                               – Minister of Environment, Forest & Climate Change 26.          Prakash Javadekar                        Human Resource Development 27.          Piyush Goyal                                 – Minister of Railways                                                                 – Minster of Coal 28.         Dharmendra Pradhan                     – Minister of Petroleum & Natural Gas                                                                – Minister of Skill Development & Enterprise

Answer: C) 9 Explanation: Given   6 = 3 => Number of letters in SIX = 3   12 = 6 => Number of letters in TWELVE = 6   14 = 8 => Number of letters in FOURTEEN = 8   Similarly,   22 = 9 => Number of letters in TWENTY TWO = 9           Therefore, 22 = 9.

The Habeas Corpus writ is issued to produce a person who has been detained, whether in prison or in private custody, before a court and to release him if such detention is found illegal.   The right to habeas corpus has been used by the Indian judiciary effectively only in order to secure the release of a person from illegal detention.   If the detained person is unable to seek the writ of habeas corpus, someone else mayact so on his behalf.

Answer: D) 280 Explanation: Here asked for the value of 28 tens => 28 x 10 = 280.

Answer: C) Mukesh Ambani Explanation: Reliance Industries Chairman Mukesh Ambani overtook China’s Hui Ka Yan to become Asia’s richest person with a total wealth of $42.1 billion. According to Forbes’ real time billionaire’s list, Ambani's personal wealth rose by $466 million in 2017.

Answer: A) 5 Explanation: The following arrangements satisfy all 3 conditions. Arrangement 1: 3 books in a row; 12 rows. Arrangement 2: 4 books in a row; 9 rows.Arrangement 3: 6 books in a row; 6 rows.Arrangement 4: 9 books in a row; 4 rows.Arrangement 5: 12 books in a row; 3 rows.   Therefore, the possible arrangements are 5.