At what rate percent per annum simple interest, will a sum of money triple itself in 25 yr ?duplicate options found. English Question 1 options 1,3
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Answer (Detailed Solution Below)Option 1 : 8% Free ACC 124 GMAT Paper (Held in Feb 2021) 150 Questions 300 Marks 180 Mins Formula used SI = (P × R × T)/100 SI = Simple interest P = Principal R = Rate T = Time Calculation Let principal be 100Rs ⇒After 25 years principal = 300 ⇒ SI = 300 - 100 = Rs.200 ⇒ 200 = (100 × r × 25)/100 ⇒ r = 8 % ∴ At 8 percent per annum simple interest, a sum of money triple itself in 25 yr Last updated on Sep 29, 2022 The Military Training Directorate, Indian Army is soon going to release a new notification for the ACC Exam 2022. The vacancies for the Army Cadet College (ACC) are released twice in a year. The ACC exam is conducted to recruit soldiers and train them to become commissioned officers in the Indian Army. Candidates can avail of a maximum of 03 chances of entry for ACC. The selection process consists of two stages. Stage 1 will be the Written Test and Stage 2 will be SSB Interview and Medical Test. Candidates can refer to the ACC Exam Previous Year Papers to know the type of questions asked in the exam and boost their preparation. Let's discuss the concepts related to Interest and Simple Interest. Explore more from Quantitative Aptitude here. Learn now! Answer Verified Hint: We will assume the sum invested as x rupees. We have been given that it becomes triple after 3 years which means it becomes 3 x. Now, we know that the final amount = principal amount + simple interest. So, we will find the simple interest from that and using the formula, $\text{simple interest}=\dfrac{\text{principal amount}\times \text{time}\times \text{rate}}{100}$, we will find the rate of interest. Complete step-by-step answer: Note: There is a possibility that the students think that the simple interest becomes triple of the principal amount, that is simple interest is 3 x. So, in further calculations for finding the rate of interest, they will end up with, $rate=\dfrac{3\times 100}{16}\Rightarrow 18.75\%$. But students should read the question carefully to understand that the sum becomes triple, which means the principal amount becomes triple after 16 years.
At what simple interest rate will a sum triple itself in 15 years?R=12. 5%
At what simple rate of interest percent per annum will a sum triple itself in 16 years?Hence, we get the rate of interest as 12.5 %.
At what rate percent per annum simple interest will a sum triple itself?⇒R=2P×100P×16=12.5%
At what rate of simple interest will a sum becomes triple of itself in 10 years?Detailed Solution
Money triple in 10 years. Calculation: Let the principal be 'x'. ∴ The annual rate of interest is 20%.
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