Upstream speed = 190/5 = 38 km/h Downstream speed = 416/8 = 52 km/h Speed of boat in still water = (38 + 52)/2 = 45 km/h Speed of stream = (52 – 38)/2 = 7 km/h Increased speed of boat in still water = 45 + 4 = 49 km/h Decreased speed of stream = 7 – 2 = 5 km/h Required time taken = [528/(49 – 5)] + [540/(49 + 5)] = 12 + 10 = 22 hours
Who unveiled the groundbreaking book titled ‘Artificial Intelligence and National Security,’ at the Defence Literature Festival, “Kalam and Kavach...
Professor Harsh Kumar Jain has been appointed as the new Ambassador of India to which country?
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Which of the following statements is/are true regarding India’s exports and trade deficit?
I.According to the data provided by the Ministry o...
Kevin O’Brien is from which country who recently announced his retirement from international cricket?
Meraxes gigas, recently discovered, is the species of which of the following?
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ePathshala is a portal/app launched in November 2015 and is developed by which of the following?
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Which Indian state recently entered into a memorandum of understanding (MoU) with the National Tiger Conservation Authority (NTCA) to establish its inau...
