Question
The speed of current is 30 km/hr. If the speed of the
boat in still water had been 13 km/hr more than the original speed then it would take 7.5 hours to cover 420 km in downstream. Find the original speed of the boat in still water (in km/h).Solution
Let the speed of the boat in still water be ‘x’ km/hr According to the question, (x + 13 + 30) = 420/7.5 Or, x = 56 – 43 = 13
Which state/Team bagged the highest number of gold medals at the 36th National Games of India?
Speed of light is about __________.
In April 2018, who among these became the highest ranked men's badminton player in the world?
Who, among those staging a 'fast unto death' at Shri Yantra Tapu in Srinagar, Uttarakhand in 1995, lost their life in the subsequent lathi charge?
<...Which of the following has/have been added by the 92nd Amendment Act of 2003 as Scheduled Languages in the 8th Schedule of the Constitution of India? <...
What is the minimum escape velocity of rocket to be launched into space?
Sonal Mansingh is famous for:
Who has been appointed as NITI Aayog’s new Vice Chairman in May 2022?
According to Department of Foreign Affairs and Trade, by 2030, transport will have attracted how much per cent of the infrastructural investment in India?
Which nation-wide campaign was initiated by the Government of India on Gandhi Jayanti, 2014?
Relevant for Exams:
