allery10% اور 20% کی یکے بعد دیگرے دو رعایتیں ایک ڈسکاؤنٹ کے برابر ہیں
A25%
B30%
C28%
D26%
Answer & Solution
Correct answer: C. 28%
باقی حصہ 0.9 x 0.8 = 0.72 ہے، لہذا واحد رعایت 28 فیصد ہے۔
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