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പ്രതിവർഷം 9% സാധാരണ പലിശ നിരക്കിൽ 5 വർഷത്തേക്ക് x രൂപ നിക്ഷേപിച്ചാലും, 4 വർഷത്തേക്ക് പ്രതിവർഷം 7.5% സാധാരണ പലിശ നിരക്കിൽ y രൂപ നിക്ഷേപിച്ചാലും ഒരേ പലിശ ലഭിക്കും. x ∶ y കണ്ടെത്തുക.

A45 ∶ 30

B8 ∶ 9

C16 ∶ 15

D2 ∶ 3

Answer:

D. 2 ∶ 3

Read Explanation:

S.I = (മുടക്കുമുതൽ × പലിശനിരക്ക് × കാലാവധി)/100 x രൂപയ്ക്ക് ലഭിക്കുന്ന പലിശ = (x × 9 × 5)/100 y രൂപയ്ക്ക് ലഭിക്കുന്ന പലിശ = (y × 7.5 × 4)/100 (x × 9 × 5)/100 = (y × 7.5 × 4)/100 45x = 30y x/y = 30/45 x/y = 2/3 x : y = 2 : 3


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