A) [a] is better
B) [b] is better
C) [a] or [b] (both are same)
D) None of these
Correct Answer: B
Solution :
[a] Single equivalent discount for 20% and 15% Single equivalent discount for 32% and 10% \[=\left( 20+15-\frac{20\times 15}{100} \right)%=32%\] [b] Single equivalent discount for 25% and 12% \[=\left( 20+15-\frac{25\times 12}{100} \right)=34%\] Single equivalent discount for 34% and 8% \[=\left( 34+8-\frac{34\times 8}{100} \right)%\] \[=42-2.72=39.28%\]
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