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വർഷത്തിൽ കൂട്ടുപലിശ കണക്കാക്കുന്ന ഒരു ബാങ്കിൽ ഒരാൾ 2,000 രൂപ് നിക്ഷേപിച്ചു. രണ്ട് വർഷം കഴിഞ്ഞപ്പോൾ തുക 2205 ആയി എങ്കിൽ പലിശ നിരക്ക് എത്ര ?

A8%

B2%

C5%

D7%

Answer:

C. 5%

Read Explanation:

2000(1 +R/100)² = 2205 (1 +R/100)² = 2205/2000 =441/400 (1 +R/100) = 21/20 R/100 = 21/20 - 1 =1/20 R = 1/20 × 100 =5%


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