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Question

Sophia was counting the number of crystals in 5 kg of sugar. Can you help her to find the number of crystals in 5 kg without actual counting if 12 kg of sugar contains 24×104 crystals?


  1. 1 x 105

  2. 2.4 x 106

  3. 24 x 102

  4. 2 x 104


Solution

The correct option is A

1 x 105


Weight of sugar12   5      Number of crystals24×104y      
This situation follows direct proportionality.

1224×104=5y

y=105

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