Answer: D) Vistadome coach train Explanation: Vistadome coach train flagged off in April 2017 is routed between Visakhapatnam to Araku valley station.

Answer: D) 12% p.a. Explanation: If the interest earned is 25% more than the earlier interest then the rate of interest also should be 25% higher than the earlier rate. Let the earlier rate of interest be x%. Now it will be (x + 3)% % increase = (x + 3) - x/x * 100 = 25=> x = 12%

Answer: B) 6 hrs Explanation: Suppose A, B and C take x, x/2 and x/3 respectively to finish the work. Then, (1/x + 2/x + 3/x) = 1/2 6/x = 1/2 => x = 12 So, B takes 6 hours to finish the work.

Answer: D) ²²C₁₀ - 1 Explanation: The total number of ways of forming the group of ten representatives is ²²C₁₀. The total number of ways of forming the group that consists of no seniors is ¹⁰C₁₀ = 1 way The required number of ways = ²²C₁₀ - 1

Answer: B) 18 April Explanation: Every year on 18 April, ICOMOS (International Council on Monuments and Sites) celebrates the International Day for Monuments and Sites (also called as World Heritage day), whose establishment was approved by the 22nd UNESCO General Conference in 1983.

Answer: C) BHEL Explanation: The Indian Space Research Organization (ISRO) has signed a memorandum of understanding with Bharat Heavy Electricals Limited (BHEL) to help develop low-cost lithium-ion batteries for electric vehicles.

Answer: D) 17 April Explanation: World hemophilia day is observed globally on 17 April.

Answer: A) 45 Explanation: 16200 = 23×34×52   A perfect cube has a property of having the indices of all its prime factors divisible by 3.   Required number = 32×5 = 9x5 = 45.