A. 8 years Show
B. 10 years C. 12 years D. 14 years Answer: Option B Solution(By Examveda Team)$$\eqalign{ & {\text{Let principal = P}} \cr & \therefore {\text{amount = 3P}} \cr & {\text{Interest = 3P}} - {\text{P}} \cr & \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,{\text{ = 2P}} \cr & {\text{According to the question,}} \cr & {\text{2P = }}\frac{{{\text{P}} \times {\text{R}} \times {\text{20}}}}{{100}} \cr & \Rightarrow {\text{R = 10% }} \cr} $$Let after t years it will become double $$\eqalign{ & {\text{Hence,}} \cr & {\text{Interest = 2P}} - {\text{P = P}} \cr & \Rightarrow {\text{P = }}\frac{{{\text{P}} \times 10 \times {\text{t}}}}{{100}} \cr & \Rightarrow {\text{t = 10 years}} \cr} $$ If money is invested in a savings account earning $3.5 \%$ interest compounded yearly, how many years will pass until the money triples? DiscussionYou must be signed in to discuss. Video Transcriptto find the compounding value off any amount. After a certain time. The formula is given as a is equal to p. Bun. Polis are by entered up, over and de there be is the principal value value off any amount. Where is the component value over the certain? Pdf and odd is given as 3.5%. Or we can say this a 0.0 titi five. But seeing so we can say like if suppose a principal amount is one in tow, X and the component amount will be three multiplied by X, where n is the time off component off the interest that is given nearly so that is one year now, using all these components in the function as three X is equal to x one pillars 0.35 debated way one minute to plague way one into de now solving this equation. Biggert as three is equal toe one plus zero point zero to the five upon one to the power de Now taking the log at both side, we can get as de multiplied way log one point 0 35 is equal to log today hands he will come out as lock three divided by log 1.2 d play. So this will come as approximate putting the value off. Look, three in a stranger from and this value off log this reveal get a 31 point nine years. So the value the time given 0.9 years, this money will be doubled having your interest off 3.5% component. And Willie. So this is the answer off the question. MohammedGuys, does anyone know the answer? get a certain sum becomes 3 times at the rate of 8 per annum from screen. [Solved] In what time a sum of money becomes 3 times of itself at simLet Principal be ‘p’ A sum of money becomes 3 times of itself, Amount, A = 3p SI = A - p = 2p ⇒ 2p = (p × 10 × t) /100 ⇒ Home Quantitative Aptitude Interest Simple Interest QuestionDownload Solution PDF In what time a sum of money becomes 3 times of itself at simple interest rate of 10% per annum?18 years 20 years 22 years 24 years Answer (Detailed Solution Below)Option 2 : 20 years India's Super Teachers for all govt. exams Under One Roof FREE Demo Classes Available* Enroll For Free Now Detailed SolutionDownload Solution PDF Let Principal be ‘p’ A sum of money becomes 3 times of itself, Amount, A = 3p SI = A - p = 2p ⇒ 2p = (p × 10 × t) /100 ⇒ 200/10 = t = 20 years ∴ In 20 years, a sum of money becomes 3 times of itself. Download Solution PDF Share on Whatsapp Ace your Interest preparations for Simple Interest with us and master Quantitative Aptitude for your exams. Learn today! India’s #1 Learning Platform Start Complete Exam Preparation Daily Live MasterClasses Practice Question Bank Mock Tests & Quizzes Get Started for Free Download App Trusted by 3,10,89,521+ Students ‹‹ Previous Ques Next Ques ›› More Simple Interest QuestionsQ1. At what rate of interest per annum, simple interest on Rs. 2560 will be Rs. 1728 in 4 12 years. Q2. Out of a total sum of ₹5,000, Danish invested one part at 12% simple interest per annum and the remaining part at 10% simple interest per annum. If the total interest that accrued to Danish in two years equals ₹1072, what was the sum Danish invested at 12% simple interest per annum?Q3. The simple interest on a certain sum for 313 years at 15% p.a. is Rs. 1,840 less than the simple interest on the same sum for 512 years at 12% p.a. The sum is: Q4. The amount payable on maturity after 512 years on a sum of Rs. 4,750, when invested at a certain rate per cent of simple interest per annum, was Rs. 6,840. What was the per annum per cent rate of simple interest paid? Q5. A sum increases by 75% in 10 years at certain rate of simple interest per annum. By what percentage will the same sum increase in 6 years at the same rate of simple interest per annum?Q6. Rs. 10,000 invested with a nationalized bank, becomes Rs. 20,000 in just 11 years at r% rate of simple interest per annum. Which of the following represents r?Q7. A person borrowed ₹9,000 at 7%, ₹12,000 at 8% and ₹15,000 at 9% simple interest per annum. He had to pay ₹50,700 at the end of n years. What is the value of n?Q8. Prakriti has Rs. 12000 with her. She invested some amount in scheme R offering a SI of 15% pa and rest in scheme S offering a SI of 20% pa. If total interest received by her at the end of 3 years is Rs. 6600, then find the amount invested in scheme R.Q9. Naveen took two loans, altogether for Rs. 9,400, from Suman and Arya. Suman claimed 1212 % simple interest per annum, while Arya claimed 1012 % per annum. The total interest paid by Naveen in one year was Rs. 1,063. The sum borrowed from Arya is: Q10. A person borrows ₹ 75,000 for 3 years at 5% simple interest. He lends it to B at 7% for 3 years. What is his gain (in ₹)? More Interest QuestionsQ1. At what rate of interest per annum, simple interest on Rs. 2560 will be Rs. 1728 in 4 12 years. Q2. If the difference between compound interest and simple interest on some principal amount at 20% for 3 years is Rs 64 , then the principal amount is -Q3. In how many years will a sum of 800 at 10% per annum compounded semi annually become 926.10?Q4. The difference between the interest payable on a sum invested for three years at 20% compound interest per annum compounded annually and 20% simple interest per annum for the same period is ₹448. What is the value of the sum invested?Q5. Out of a total sum of ₹5,000, Danish invested one part at 12% simple interest per annum and the remaining part at 10% simple interest per annum. If the total interest that accrued to Danish in two years equals ₹1072, what was the sum Danish invested at 12% simple interest per annum?Q6. The simple interest on a certain sum for 313 years at 15% p.a. is Rs. 1,840 less than the simple interest on the same sum for 512 years at 12% p.a. The sum is: Q7. A certain sum is invested on compound interest at 18% per annum for 1 year 4 months, the interest being compounded 8-monthly. If the compound interest is Rs. 3,816, then find the sum (in Rs.).Q8. The amount payable on maturity after 512 years on a sum of Rs. 4,750, when invested at a certain rate per cent of simple interest per annum, was Rs. 6,840. What was the per annum per cent rate of simple interest paid? Q9. A sum of Rs. 7800 amounts to Rs. 10381.80 at x% p.a. in 2 years when the interest is compounded 8-monthly. What will be the compound interest on the same sum at (x + 5)% p.a. in one year, if the interest is compounded half yearly?Q10. A sum increases by 75% in 10 years at certain rate of simple interest per annum. By what percentage will the same sum increase in 6 years at the same rate of simple interest per annum? स्रोत : testbook.com A sum becomes three times itself at compound interest in eight years. In how many years will the sum become twenty seven times itself?Click here👆to get an answer to your question ✍️ A sum becomes three times itself at compound interest in eight years. In how many years will the sum become twenty seven times itself? Question A sum becomes three times itself at compound interest in eight years. In how many years will the sum become twenty seven times itself?A 24B 20C 18D 10Hard Open in App Solution Verified by Toppr Correct option is A) When interest is compounded, Amount A=P(1+ 100 R ) n Given, 3P=P(1+ 100 R ) 8 =>3=(1+ 100 R ) 8 --- (1) And, 27P=P(1+ 100 R ) n =>27=(1+ 100 R ) n =>3 3 =(1+ 100 R ) n From eqn 1 =>((1+ 100 R ) 8 ) 3 =(1+ 100 R ) n =>(1+ 100 R ) 24 =(1+ 100 R ) n =>n=24 Was this answer helpful? 13 4 स्रोत : www.toppr.com In how many years will a certain sum become 3 times itself at 25 % per annum under simple interest?a 5b 8c 12d 6In how many years will a certain sum become 3 times itself at 25 % per annum under simple interest?a 5b 8c 12d 6 Home In how many years will a certain sum become 3 times itself at 25 % per annum under simple interest?a 5b 8c 12d 6 Question In how many years will a certain sum become 3 times itself at 25 % per annum under simple interest? (a) 5 (b) 8 (c) 12 (d) 6 Open in App Solution If the sum be P . Amount ( A ) = 3 × P = 3 P Simple interest ( S . I ) = A − P = 3 P − P = 2 P Let the sum (P) be x Then, simple interest Rate of interest Time S . I = P × R × T 100 ⇒ T = 100 × S . I P × R = 100 × 2 x x × 25 = 4 × 2 = 8 Hence, 8 years required. In what time at 10% per annum simple interest a sum becomes three times of itself?∴ Time is 8 years. Was this answer helpful?
At what rate of interest does the amount becomes three times of the principal in 10 years?∴ The rate of interest per annum is 20%.
In what time will a sum of money be multiplied three times at simple interest of 15% per annum?So the answer for your question is 13Y and 4 months.
What will be the rate of interest so that a sum amounts to its three times in 25 years?The rate of simple interest at which a sum of money becomes three times in 25 yr is. 8%
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In what time at 10% per annum simple interest a sum becomes 3 times of itself?
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