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) 7 days Explanation: 1 boy's 1 day work = 1/70 1 girl's 1 day work = 1/140 (5 boys + 10 girls)'s 1 day work = (5/70 + 10/140) = (1/14 + 1/14) = 1/7   5 boys and 10 girls will complete the work in 7 days.

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

Answer: D) Shri Arun Jaitley Explanation: 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 otherportfolios not allocated to any Minister. 2. Shri Raj Nath Singh         -       Minister of Home Affairs3. Smt. Sushma Swaraj       -       Minister of External Affairs4. Shri Arun Jaitley             –       Minister of Finance                                        –       Minister of Corporate Affairs5. Shri M. Venkaiah Naidu   –       Minister of Urban Development                                        –       Minister of Housing and                                                 Urban Poverty Alleviation                                        –       Minister of Information & Broadcasting6. Shri Nitin Jairam Gadkari –      Minister of Road Transport                                                 & Highway                                                – Minister of Shipping7. Shri Arun Jaitley(Additional Charge)             -      Minister of Defence8. Shri Suresh Prabhu          -     Minister of Railways9. D.V Sadananda Gowda    -      Minister of Statistics & Programme Implementation10. Sushri Uma Bharati       -      Minister of Water Resources,                                                River Development & Ganga Rejuvenation11. Mukhtar Abbas Naqvi    -      Minister of Minority Affairs12. Shri Ramvilas Paswan   -      Minister of Consumer Affairs, Food & Public Distribution13. Shri Kalraj Mishra         -      Minister of Micro, Small & Medium Enterprises14. Maneka Sanjay Gandhi  -     Minister of Women & Child Development15. Shri Ananth Kumar       -     Minister of Chemicals & Fertilizers16. Shri. Ravi Shankar Prasad – Minister of Law & Justice                                            – Minister of Electronics & Information Technology17. Shri Jagat Prakash Nadda  - Minister of Health & Family Welfare18. Ashok Gajapathi Raju Pusapati -  Minister of Civil Aviation19. Shri. Anant Geete            -          Minister of Heavy Industries & Public Enterprises20. Smt. Harsimrat Kaur Badal -        Minister of Food Processing Industries21. Shri Narendra Singh Tomar – Minister of Rural Development                                              – Minister of Panchayati Raj                                              – Minister of Drinking Water & Sanitation22. Shri Chaudhary Birender Singh - Minister of Steel23. Shri Jual Oram                   -      Minister of Tribal Affairs24. Shri Radha Mohan Singh     -      Minister of Agriculture & Farmers Welfare25. Shri Thawar Chand Gehlot   -      Minister of Social Justice & Empowerment26. Smt. Smriti Irani                 -      Minister of Textiles27. Dr Harsh Vardhan                –     Minister of Science & Technology                                               –     Minister of Earth Sciences 28. Prakash Javadekar               -     Human Resource Development

Answer: B) Tokyo Explanation: 2020 summer Olymic games to be held in Tokyo, Japan.

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