allery10% మరియు 20% వరుస డిస్కౌంట్లు ఏ ఒకే డిస్కౌంట్కు సమానం?
A25%
B30%
C28%
D26%
Answer & Solution
Correct answer: C. 28%
మిగిలిన భిన్నం 0.9 x 0.8 = 0.72, కాబట్టి ఒకే డిస్కౌంట్ 28 శాతం.
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