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സാധാരണ പലിശ നിരക്കിൽ ഒരു നിശ്ചിത തുക 4 മടങ്ങാകാൻ 10 വർഷം എടുക്കുമെങ്കിൽ 10 മടങ്ങാകാൻ എത്ര വർഷം വേണം ?

A30

B40

C20

D16

Answer:

A. 30

Read Explanation:

4p - p = 3p 3p = p x r x 10 / 100 r = 30 9p = p x 30 x n /100 n= 30


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