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A car travels at a speed of 40 kmph for the onward journey and 50 kmph for the return journey. Most of the material in this chapter is taken from young and freedman, chap. Apr 19, 2020 practice questions, gravitation, class 9, science edurev notes is made by best teachers of class 9. Implementation of better programming use of control version software to do rewrite class design split the program into a larger number of independent modules optimize calculations optimize communication between processes.
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