If the sales of Topaz increased from 2008 - 09 to 2014 - 15 by 25% and increased from 2013 - 2014 to 2014 - 15 by 50%, then what is the difference between the sales of Topaz in 2008 - 09 and that in 2014 - 15 ?
A
50000 tonnes
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B
10000 tonnes
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C
140000 tonnes
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D
160000 tonnes
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E
None of these
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Solution
The correct option is C 140000 tonnes Sales of Topaz in 2008 - 09 =2000001.25=1600000tonnes Sales of Topaz in 2014−2015=200000×1.5 = 300000 tonnes Now, required increase = 300000 - 160000 = 140000 tonnes