allery10%, 20% എന്നീ രണ്ട് തുടർച്ചയായ കിഴിവുകൾ ഒരു കിഴിവിന് തുല്യമാണ്
A25%
B30%
C28%
D26%
Answer & Solution
Correct answer: C. 28%
ശേഷിക്കുന്ന ഭിന്നസംഖ്യ 0.9 x 0.8 = 0.72 ആണ്, അതിനാൽ ഒറ്റ കിഴിവ് 28 ശതമാനമാണ്.
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