alleryകാർഡുകളുടെ വില ₹8 ഓരോന്നിനും ₹12 നിരക്കിൽ വിൽക്കുന്നു; എത്രപേർ ₹100 ലാഭം നേടുന്നു?
A20
B25
C24
D30
Answer & Solution
Correct answer: B. 25
ഓരോ കാർഡും ₹12 − ₹8 = ₹4, അതിനാൽ ₹100 ലാഭത്തിന് 25 കാർഡുകൾ ആവശ്യമാണ്.
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