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Hint:- In 8 years money from Interest will be come equal to the principal Let the initial amount of money invested will be Rs. x. So, now we will use a simple interest formula. So, putting the values in the above formula. We will get, Hence, the rate of interest to double a money in 8 years will be 12.5% per annum. Note:- Whenever we came up with this type of problem where we are asked
to A. 8 years Nội dung chính
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B. 10 years C. 12 years D. 14 years Solution(By Examveda Team) $$\eqalign{ & {\text{Let principal = P}} \cr & \therefore {\text{amount = 3P}} \cr & {\text{Interest = 3P}} - {\text{P}} \cr & \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,{\text{ = 2P}} \cr & {\text{According to the question,}} \cr & {\text{2P = }}\frac{{{\text{P}} \times {\text{R}} \times
{\text{20}}}}{{100}} \cr & \Rightarrow {\text{R = 10% }} \cr} $$ 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. Hence, the correct option is (b). Suggest Corrections 0 SAME EXERCISE QUESTIONS Q. Mark the correct alternative in each of the following: By what number should 134 be divided to get 212 ? (a) 37 (b) 125 (c) 710 (d) 137 Q. Mark the correct alternative in each of the following: 514-313= (a) 1223 (b) 2 (c) 11112 (d) 1112 View More स्रोत : byjus.com At what rate of interest will a sum becomes three times itself in 25 by 2 years?= 8 Years. Please mark my answer as the brainliest. At what percent rate per annum simple interest will be a sum of money 3 times in 25 years?R=12. 5% How many years does a sum of money becomes 3 times itself at 12.5% pa simple interest?Solution : Let T years be the required time period. <br> Given that, <br> Amount `(A)=3 xx ` Principal (P) <br> `therefore P(1+(TR)/(100))=3P` <br> `implies 1+(12T)/(100)=3 implies T=(200)/(12)=16(2)/(3)` years <br> Hence, required time period`=16(2)/(3)` years. What time will the sum of money become three times at a simple interest of 10% pa?T=20 years It takes 20 years. In what time will a sum become 16 times of itself at 100% pa compound interest?⇒ P = X Rs. and A = 16X Rs. ⇒ T = 50 years. ∴ In 50 years a sum of money will become sixteen times. At what rate of simple interest does a sum of money becomes 5 times of itself in 12 years?100 becomes 500; Rate=TimeInterest=12400=33. 3% At what rate of simple interest does a sum of money become five times?Detailed Solution Let the principal be P. ∴ The rate of interest is 25%. In what time will a sum of money triples itself at 16% per annum at simple interest?A sum of money triple itself at 16% p.a. at simple interest in 12.5 years. How many years does a sum of money becomes three times itself at 12.5% per annum simple interest?∴ Time is 8 years.
How many years will a sum double itself at 12.5% pa simple interest?∴ The principal doubles itself at 12.5% rate of interest in 8 years.
How many years will a sum of money becomes four times at 12% pa simple interest a 18 years B 21 years C 25 years D 28 years?=(x×4100×x)years = 25 years.
In what time a sum will become three times of itself at the rate of 10% per annum?T=20 years It takes 20 years.
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9. in how many years does a sum of money becomes 3 times itself at 12.5% p.a. simple interest?
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