7th Class Mathematics Sample Paper Mathematics Sample Paper - 2

  • question_answer
    If \[\frac{2}{3}\]of a number is less than original number by 20, find the number.

    Answer:

    Let the number be x. According to question, \[x-\frac{2}{3}x=20\] \[\frac{3x}{3}-\frac{2}{3}x=20\] \[\frac{3x-2x}{3}=20\] \[\frac{x}{3}=20\] x = 60                         


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