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


Options:
A .   2 x 104
B .   1 × 105
C .   2.4 x 106
D .   24 x 102
Answer: Option B
:
B

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


1224×104=5y


y=105



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