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5 ലക്ഷം രൂപയുള്ള ഒരു കാറിന്റെ വില 30% വർദ്ധിപ്പിച്ച് 20% കുറച്ചു. വിലയിൽ വന്ന മാറ്റം എന്ത്?

A10% കൂടുന്നു

B10% കുറയുന്നു

C4% കുറയുന്നു

D4% കൂടുന്നു

Answer:

D. 4% കൂടുന്നു

Read Explanation:

കാറിന്റെ വില = 500000 30% വർദ്ധിപ്പിച്ച് കാറിന്റെ വില = 500000 × 130/100 = 650000 20% കുറച്ചപ്പോൾ കാറിന്റെ വില = 650000 × 80/100 = 520000 വിലയിൽ വന്ന മാറ്റം = 520000 - 500000 = 20000 ശതമാനം = [20000/500000] × 100 = 4%


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