The single discount equivalent to the discount series of 20%, 10% and 5% is = ?
A. 11.66%
B. 31.6%
C. 35.66Z%
D. 32%
Answer: Option B
Solution (By Examveda Team)
Single equivalent discount for 20% and 10%$$\eqalign{ & = 20 + 10 - \frac{{20 \times 10}}{{100}} \cr & = 30 - 2 \cr & = 28\% \cr} $$
Single equivalent discount for 28% and 5%
$$\eqalign{ & = 28 + 5 - \frac{{28 \times 5}}{{100}} \cr & = 33 - 1.4 \cr & = 31.6\% \cr} $$
This Question Belongs to Arithmetic Ability >> True Discount
Join The Discussion