Ramkishan goes to his office by car, if he increases speed of car by 10 kin/h than usual speed then he reaches his office 60 minutes earlier and if he increases speed of his car by 20 km/h than usual speed then he reaches his office 105 minutes earlier. Find his usual speed, usual time and distance between his home and office?
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Photosynthesis is a process used by plants and other organisms to convert light energy into chemical energy that, through cellular respiration, can later be released to fuel the organism's metabolic activities.
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