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Ultra Large Scale Integrated (ULSI) technology was used in the fifth generation of computers, which began in 1980 and continues to the present. ULSI evolved from VLSI (Very Large Scale Integrated) technology, and allowed for the creation of microprocessor chips with up to 10 million electronic components.
A man can row at 6 kmph in still water. If the velocity of current is 4 kmph and it takes him 6 hour to row to a place and come back, how far is the place?
A man can row one quarters of a kilometer against the stream in 30/4 minutes and return in 5/2 minutes. The speed of the man in still water is:
A boat goes 56 km in upstream in 4 hours and takes 3 hours to complete a distance of 18 km in downstream. Find the speed of boat in still water.