Question 124Asked in BPSC TRE 3.0 (2024) Mathematics Class 9-10

Number of years required for the compound interest of ₹1,000 at the rate of 10% to become ₹210 is10% की दर से ₹1000 का चक्रवृद्धि ब्याज ₹210 बनने के लिए आवश्यक वर्षों की संख्या है

10% की दर से ₹1000 का चक्रवृद्धि ब्याज ₹210 बनने के लिए आवश्यक वर्षों की संख्या है
  1. A4 years4 years
  2. B2 years2 years
  3. C3 years3 years
  4. DMore than one of the aboveउपर्युक्त में से एक से अधिक
  5. ENone of the aboveउपर्युक्त में से कोई नहीं
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Correct answer: (B) 2 years2 years

Explanation

1000(1.1)ⁿ − 1000 = 210 gives (1.1)ⁿ = 1.21, so n = 2 years.1000(1.1)ⁿ = 1210 से (1.1)ⁿ = 1.21, अतः n = 2 वर्ष।

From BPSC TRE 3.0 (2024) Mathematics Class 9-10 — Previous Year Paper

This is question 124 of BPSC TRE 3.0 (2024) Mathematics Class 9-10 — Previous Year Paper. See all questions of this paper with answers, or attempt the paper as a timed online test to get your score and all-India rank.