SSC_CPO_PYQ_27_June_2024_S1_Q137

Question:

A sum of money at compound interest doubles itself in 4 years. In how many years does the sum become 8 times of itself at the same rate of interest?

चक्रवृद्धि ब्याज पर एक राशि 4 वर्षों में दोगुनी हो जाती है। समान ब्याज दर पर राशि कितने वर्षों में 8 गुनी हो जाती है?

Options:

  • a) 10
  • b) 15
  • c) 12
  • d) 8
  • a) 10
  • b) 15
  • c) 12
  • d) 8

correct answer : c)

Explanation:

If a sum doubles in 4 years, to become 8 times (2^3), it will take 4 * 3 = 12 years.

यदि कोई राशि 4 वर्षों में दोगुनी हो जाती है, तो 8 गुना (2^3) होने में 4 * 3 = 12 वर्ष लगेंगे।

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