Answer: B) Proton Explanation: Protons carry a positive electrical charge, electrons carry a negative electrical charge and neutrons carry no electrical charge at all. The protons and neutrons cluster together in the central part of the atom, called the nucleus, and the electrons 'orbit' the nucleus.

Answer: B) June 21 Explanation: The World Music Day is celebrated across the world on 21 June.   The day is also known as 'Fete de la Musique' after a music festival that began in France in 1982.   This Day was first celebrated on 21st June 1982.

Answer: C) 34 cm Explanation: Let the side of the square be 's' cm   length of rectangle = (s+5) cm   breadth of rectangle = (s-3)cm   (s+5) (s-3) =    s2 - 5s - 3s - 15 = s2    2s = 15   Perimeter of rectangle = 2(L+B) = 2(s+5 + s–3) = 2(2s + 2)   = 2(15 + 2) = 34 cm

Answer: A) 10 Explanation: Given equation can be written as 215 x 103 + ? = 24=> 14 + ? = 24=> ? = 24 - 14=> ? = 10

Answer: B) 36 sec Explanation: Time taken to meet the first time = length of track/relative speed   Given the length of the track is 600 m   The relative speed = 25 + 35 = 60 kmph = 60 x 5/18 m   Therefore Time = 60025+35518= 600/60 x (18/5) = 36 sec.

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

Let the required number be 'X' Condition 1 :   XX = 2X  => 2X2 = X => X = 12   Condition 2 : X × X = X2=> X = 12   Therefore, 12 is the number which becomes double when it is divided by itself and becomes half when it is multiplied by itself.

Answer: C) 3 Explanation: Physics has 5 laws. But the 3 laws of Newton has been clubbed together under one Law. Therefore there are 3 Newtons laws of Physics. They are ::   1. Newtons Laws of Motion     a. First Law of Motion     b. Second Law of Motion     C. Third Law of Motion   2. Newtons Law of Cooling   3. Newtons Law of Gravitation.