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Unit 5 · Mathematical Reasoning and Aptitude Paper 1 · 3 September 2024 Morning

In what time will a sum of money double itself at the rate of 12.5% per annum simple interest?कोई धनराशि 12.5% वार्षिक साधारण ब्याज की दर से कितने समय में दोगुनी हो जाएगी?

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Correct answer: B. 8 years8 वर्ष

Explanation

To double, the interest must equal the principal: P × 12.5 × t / 100 = P, so t = 100/12.5 = 8 years.दोगुना होने के लिए ब्याज मूलधन के बराबर होना चाहिए: P × 12.5 × t / 100 = P, अतः t = 100/12.5 = 8 वर्ष।

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