Answer: B) 300 Explanation: Let the number be 'N'Given N + 30N/100 = 390=> 130N/100 = 390=> N = 390 x 10/13=> N = 300.

Answer: C) 1947 Explanation: Given 82.5% of 2360  82.5100 x 2360 = 0.825 x 2360 = 1947

Answer: C) Lithium phosphate Explanation: The given compund Li3PO4 name is Lithium phosphate.   Lithium phosphate is a white crystal at room temperature. It is slightly soluble in water. It  can be used to produce glass, disk, colorful phosphor powder. It can also be used as a catalyst in some reactions.

Answer: D) 2679 Explanation: Let x, x+2, x+4, x+6, x+8 and x+10 are six consecutive odd numbers. Given that their average is 52 Then, x + x+2 + x+4 + x+6 + x+8 + x+10 = 52×6 6x + 30 = 312 x = 47 So Product = 47 × 57 = 2679

Answer: B) Uttar Pradesh Explanation: Agriculture is the occupation of a majority of the Indian population. More than 65% of India's land area is under agriculture. Sugarcane is one of the most popular multipurpose crops in India and no part of the sugarcane goes waste. Uttar Pradesh is the highest sugarcane producing state in India followed by Maharashtra.

Answer: A) Zinc Explanation: Zinc metal is used for Galvanizing Iron.   Galvanization or Galvanizing :: Galvanization is the process of applying a protective zinc coating to steel or iron, to prevent rusting. Most common method of Galvanization is Hot-Dip Galvanizing in which parts are submerged in a bath of molten zinc.

Answer: B) the formation of labor unions Explanation: Samuel Gompers was a leading proponent of workers' rights. He was the first president of the American Federation of Labor, an organization that represented skilled workers from many different industries. Gompers advocated using collective bargaining or negotiations and strikes to gain greater rights for workers.

Answer: A) 15 Explanation: