SSC IMD SA Mock 04 – Question 40

Question:

If a sum becomes three times itself in 20 years under simple interest, what is the annual rate of interest?

यदि कोई धनराशि साधारण ब्याज के अंतर्गत 20 वर्षों में स्वयं की तीन गुनी हो जाती है, तो वार्षिक ब्याज दर क्या है?

Options:

  • 5%
  • 8%
  • 10%
  • 12%
  • 5%
  • 8%
  • 10%
  • 12%

Correct Answer: c)

Explanation:

Simple Interest \(SI = 3P – P = 2P\).
Time \(T = 20\text{ years}\).
\(R = \dfrac{SI \times 100}{P \times T} = \dfrac{2P \times 100}{P \times 20} = 10\%\).

साधारण ब्याज \(SI = 3P – P = 2P\)।
समय \(T = 20\text{ वर्ष}\)।
\(R = \dfrac{2P \times 100}{P \times 20} = 10\%\)।

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