allery72 ਦੇ ਨਿਯਮ ਅਨੁਸਾਰ, 9% 'ਤੇ ਇੱਕ ਨਿਵੇਸ਼ ਦੁੱਗਣਾ ਹੋ ਜਾਂਦਾ ਹੈ, ਵਿਆਜ ਲਗਭਗ?
A9 ਸਾਲ
B8 ਸਾਲ
C6 ਸਾਲ
D7 ਸਾਲ
Answer & Solution
Correct answer: B. 8 ਸਾਲ
72 / 9 = 8 ਸਾਲ।
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