E-waste in 2014 = 9 crore tons
Initial value = 9 crore to
Rate at which e waste increases every year=15%
It means every year the e waste increases by 15% to its value in that year.
In compound interest, interest charge on the principle and accumulated interest.
This is the same problem as we have solved previously.
E waste in 2020 = 9 crore tons
= 20.8175 crore tons21 crore tons
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