A) 30%
B) 42%
C) 44%
D) 41%
Correct Answer: A
Solution :
[a] Total increase \[=20+20+\frac{20\times 20}{100}=44%\] \[\therefore \] Reduce in number \[=\frac{44}{144}\times 100=30\frac{5}{9}%\]You need to login to perform this action.
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