Question
The speed of current is 28 km/hr. If the speed of the
boat in still water had been 16 km/hr more than the original speed then it would take 4.4 hours to cover 242 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 + 16 + 28) = 242/4.4 Or, x = 55 – 44 = 11
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RHEA and TETHYS are names of which celestial bodies
Who was the third astronaut to travel to the Moon alongside Neil Armstrong and Buzz Aldrin?Â
Consider the following statements about Project Kuiper:Â
1.   Amazon recently signed an agreement with NASA to support this Project.
...
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The number of ______ is equal to the difference between the mass number of the atom and the atomic number.
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