Discussion
30% discount on Rs. 1000 and 2 successive discounts of 15% and 15% will have a difference of
Answer: A
Single 30% discount:
\[ 1000 \times 0.70 = \text{Rs. } 700 \]
Successive 15% and 15%:
\[ 1000 \times 0.85 \times 0.85 = 1000 \times 0.7225 = \text{Rs. } 722.50 \]
\[ \text{difference} = 722.50 - 700 = \text{Rs. } 22.50 \]
The single discount is the better one for the buyer. The gap equals \( 1000 \times 0.15 \times 0.15 = 22.50 \) - the product term that successive discounting always forfeits.
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