मुकेशला त्याच्या सदऱ्यावर 30%, 25%, 15% या मालिकेत सवलत मिळाली. तर एकूण समतुल्य सवलत शोधा. A. 52.34% B. 38.35% C. 55.38% D. 57.38%

After successive discounts of 30%, 25% and 15%, the price is 0.70 × 0.75 × 0.85 = 0.44625 of the original. The single equivalent discount = 1 − 0.44625 = 0.55375 ≈ 55.38%.