Tuesday, 11 October 2011

Average - Important Formulas

  1. Average:
    Average =Sum of observations
    Number of observations

  2. Average Speed:
    Suppose a man covers a certain distance at x kmph and an equal distance at ykmph.
    Then, the average speed druing the whole journey is2xykmph.
    x + y



STUDENT DUNIYA     

STUDENT DUNIYA      

STUDENT DUNIYA





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