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At 20% per annum rate, an amount is doubled in approximately in ______ years at compound interest

A5

B2

C4

D3

Answer:

C. 4

Read Explanation:

4


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ഹരിയും അനസും ഒരേ തുക 2 വർഷത്തേക്ക് ബാങ്കിൽ നിക്ഷേപിച്ചു. ഹരി 10% സാധാരണപലിശയ്ക്കും , അനസ് 10% കൂട്ടുപലിശയ്ക്കും . കാലാവധി പൂർത്തിയായപ്പോൾ അനസിന് 100 കൂടുതൽ കിട്ടിയെങ്കിൽ എത്ര രൂപ വീതമാണ് നിക്ഷേപിച്ചത് ?