जॉइन Examsbookउत्तर : 2. "3.5 years"
In what time will Rs. 1860 amount to Rs. 2641.20 at simple interest 12% per annum?5
प्र: In what time will Rs. 1860 amount to Rs. 2641.20 at simple interest 12% per annum?
- 12.9 yearsfalse
- 23.5 yearstrue
- 34.2 yearsfalse
- 44.7 yearsfalse
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उत्तर : 2. "3.5 years"
व्याख्या :
Answer: B) 3.5 years Explanation: Given that Rs. 1860 will become Rs. 2641.20 at 12% => Simple Interest = 2641.20 - 1860 = Rs. 781.20 We know I = PTR/100 => 781.20 x 100 = 1860 x T x 12 => T = 78120/1860x12 => T = 78120/22320 => T = 3.5 years.