Answer: B) 3,67,500 Explanation: Let the total population be 'p' Given ratio of male and female in a city is 7 : 8 In that percentage of children among male and female is 25% and 20% => Adults male and female % = 75% & 80% But given adult females is = 156800 => 80%(8p/15) = 156800 => 80 x 8p/15 x 100 = 156800 => p = 156800 x 15 x 100/80 x 8 => p = 367500 Therefore, the total population of the city = p = 367500

Answer: C) 132 Explanation: Given series is    12        16         32          68         ?   Here it follows a pattern that,   12   12 + (2x2) = 16   16 + (4x4) = 32   32 + (6x6) = 68   68 + (8x8) = 132

Answer: B) India Explanation: India was re-elected as member of executive board of United Nations Educational, Scientific and Cultural Organization (UNESCO). Executive board is UNESCO's top decision-making body. The election was held at 39th session of General Conference of UNESCO in Paris, France.    UNESCO is UN association that helps safeguard historical and cultural sites around the world. It is special multi-nation organization, framed in 1945 and situated in France. It promotes literacy and sex education as well as improving gender equality in countries around world. The General Conference determines policies and main lines of work of organisation. Its duty is to set programmes and budget of UNESCO. It also elects members of executive board and appoints, every four years, director-general.

Answer: D) 7th Explanation: India slips to 7th position on the business optimism ranking. The results of Grant Thornton’s International Business Report (IBR), a quarterly global business survey, reveal that business optimism in India has slipped from 2nd position in the last quarter to 7th position in the 3rd quarter of 2017.

Answer: A) 7:1 Explanation: Maneela lent Rs. 8000 in two parts,

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: B) 12 Explanation: x128 = 162x   Then x2 = 162x128       = Sqrt of 82 x 62 x 32      = 8 x 6 x 3      x2  = 144.    x  = 12.

Answer: D) 4.5 Explanation: Given equation is     192.5 ×19p = 197    Here it is in the form of am × an = am+n    Here m = 2.5 , n = p, m+n = 7  => 2.5 + p = 7   => p = 7 - 2.5  => p = 4.5