A Focus of an earthquake is the location where the earthquake begins. The ground ruptures at this spot, then seismic waves radiate outward in all directions. At this focus point, the release of energy due to faulting actually occurs during an earthquake. The point directly above the focus on the surface is called Epicenter. The focus is also called as Hypocenter as it is the synonym of the focus.

Answer: D) 35 Explanation: Let the total applicants be 100   Then, 20% got 85 marks i.e 20 x 85 = 1700   and 25% got 95 marks  i.e 25 x 95 = 2375   Now, the remaining applicants are 55 and let the average marks scored by them be x.   Therefore, 2375 + 1700 + 55x  =  60×100  6000 - 4075 = 55x 55x=1925 x=35.

Answer: D) P.S. Krishnan Explanation:

Answer: B) 60 Explanation: Let M litres milk be added => 60 + M40 = 31 => 60 + M = 120 => M = 60 lit.

Answer: A) Rs. 2000 Explanation: Let 'x' be the cost price.Now Marked price = x + 30x/100 = 13x/1010% discount = 10/100 x 13x/10 = 13x/100 Selling price = 13x/10 - 13x/100 = 117x/100Given gain = 340Here gain = 117x/100 - x = 17x/100 = 340 => x = Rs. 2000.

Answer: C) Organisms and their Environment Explanation: Ecology is the branch of science which deals with the study of Ecosystem (relation between the Organisms and their Environment.)

Answer: B) 18.75 % Explanation: Prashanth sold a album for $ 735 and made a profit of 22.5% .CP = 735 x 100/122.5 = Rs. 600New CP = 600 + 120 = Rs. 720New SP = 735 + 120 = Rs. 855. Profit = Rs. 135. profit % = 100 x 135/720 = 18.75%.

Answer: C) Converging Explanation: A magnifying glass is a convex lens that is used to produce a magnified image of an object. It is also called a hand lens in laboratory contexts.