Multiple choice

The difference between the simple interest and the compound interest on Rs. 6000 for 1 year at 10% per annum, reckoned half-yearly is- 6000 रू. पर 10% प्रतिवर्ष की दर से अर्द्धवार्षिक संयोजित होने के अनुसार, 1 वर्ष में साधारण और चक्रवृद्धि ब्याज का अन्तर होगा?

  1. 10

  2. 25

  3. 15

  4. 12
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

SI = 6000 × 10/100 = 600. CI at half-yearly: P = 6000, R = 5% per half-year, n = 2. CI = 6000 × 1.05² - 6000 = 6000 × 1.1025 - 6000 = 6150 - 6000 = 615. Difference = 615 - 600 = 15.

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