Answer: C) Magnesium Explanation: Magnesium is dissolved in seawater at a concentration of about 1,000 parts per million and is the only metal directly extracted from seawater.

Answer: D) Rohith Sharma Explanation:

Answer: B) 35% Explanation: According to World Bank Indicator India - Land use: Agriculture Land - 1797090 sq. Km (about 60.4%).  Forest Area - 677598 sq. Km. (about 22.08%).  Agriculture Irrigated land - 35 %.

Answer: C) 1874 Explanation: Joseph F. Glidden - Father of Barbed Wire. Glidden was born in New York in 1812. He invented Barbed Wire in 1873 and was granted the patent on Nov. 24, 1874. After a three year battle over the patent, which he eventually won received a patent for the modern invention in 1874 after he made his own modifications to previous versions.

Answer: C) Both A & B Explanation: The Union Territories get representation in Both the houses of Parliament i.e, The Lok Sabha and The Rajya Sabha.

Answer: A) 450.187 Explanation: Pattern is 3 3 x 3.5 = 10.5 10.5 x 3.5 = 36.75 36.75 x 3.5 = 128.625 128.625 x 3.5 = 450.187

Answer: D) 100/7% Explanation: When profit is calculated on Marked Price (M.P) then, C.P = M.P - P% Let M.P = 100  => C.P = 100 - 30 = 70  But S.P = Rs. 80 as he gave 20% discount,  Now, Actual Profit = 80-7070x100   = 100/7 %

Answer: B) 41 Explanation: Given P = 54 and M = 80 According to the question, Let ‘A’ years ago, M = 3P => M - A/P - A = 3 => 80 - A = 3(54 - A) => 80 - A = 162 - 3A => 2A = 82 => A = 41 Therefore, A = 41 years ago Sweety’s mother was 3 times of Sweety’s age. Hence, at the age S = 13 and M = 39.