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★Volume Of Liqiud Paper 2
Monday, 4 February 2013 // 0 narnian

VOLUME OF LIQUID (PAPER 2)

TIPS

  1. To find the fraction of a given volume, multiply the fraction by the volume.
    Example:
    (a) Find 1 1/5 of 15 l in l.
    Solution
    1 1/5 of 15 l= 6/5 x 15 l
    = 18 l

    (b) Find 5/8 of 6.4 l in ml.
    Solution
    5/8 of 6.4 l5/8 of 6.4 l
    = 4 l
    = 4 x 1 000 ml
    = 4 000 ml

COMMON MISTAKES

Error in changing the units of volume
Example:
  1. Find 2/5 of 1 250 ml in l.
    Incorrect :
    2/5 of 1 250 ml= 2/5 x 1 250 ml
    = 18 l


    Correct:
    2/5 of 1 250 ml= 2/5 x 1 250 ml
    = 500 ml
    = 500 ml / 1 000 ml
    = 0.5 l