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Finding Increase or Decrease Percentage in Situations

Mass of beake...

Question

Mass of beaker=20 g
Mass of beaker+mixture=50 g
Mass of washed and dried sand=5 g
Find the percentage of sand in the mixture.

A

16.67%

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B

20%

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C

25%

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D

30%

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Solution

The correct option is A 16.67%
Mass of mixture= $50 g - 20 g = 30 g$
Mass of washed and dried sand in the mixture= $5 g$
Percentage= $\frac{5}{30} \times 100$
=16.67%

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