A person can swim at the rate of five kilometers per hour in still water. The time taken by him to swim a certain distance downstream is 3 times the time taken by him to swim upstream. find the speed of the stream.
Let the speed of boat in still water =B and speed of stream =S B=5km/h ATQ- (B+S) ×1=(B-S)3 B+S=3B-3S 2B=4S Put The value of B= 4S=10 S=2.5km/h
Who is the only one Indian Representative of Beijing Olympics 2022?
Which thing is the sweetest natural sugar?
When is the International Day of Action For Rivers observed?
How many countries have exploded atom bomb before India?
Which of the following Indian states is not traditionally known for tea cultivation?
______ state has launched the School of Eminence Scheme recently?
खेतो में जुताई के बाद भूमि को समतल करने के लिए फेरा जाने वा...
राजस्थान में सर्वाधिक सिंचाई की जाती है ?
It is a special provision in an IPO prospectus, which allows underwriters to sell investors more shares than originally planned by the issuer. This wou...
'World No Tobacco Day' is observed on -