9%, 14% और 7% की तीन क्रमिक छूटों के बराबर एक एकल छूट ज्ञात कीजिए।

What single discount is equivalent to three successive discounts of 9%, 12%, and 15%? (rounded off to two decimal places)

At \( 12\% \) discount, the selling price of a washing machine is \( ext{&10;836;}15,000 \). What will be the selling price if \( 25\% \) discount is given in place of \( 12\% \) (correct to two decimal places)?