1c:I[1254,["7330","static/chunks/d3ac728e-78c3d5d7a486ed3a.js","5159","static/chunks/5159-48592f0bf1a47f9d.js","8175","static/chunks/8175-f84d59b9bd013e10.js","8167","static/chunks/8167-b25693a0140130f2.js","664","static/chunks/664-bceb0f356f9312eb.js","3703","static/chunks/app/practice-question/%5Bslug%5D/page-d1408559b663b83f.js"],"PracticeQuestionCard"] 1b:T4bb,{"@context":"https://schema.org","@type":"QAPage","name":"A sum of Rs. 12000 deposited at compound interest become double after…","url":"https://vidyalelo.com/practice-question/a-sum-of-rs-12000-deposited-at-compound-interest-become-double-after-5-years-after-20-years-it-will-become-89480","keywords":"practice questions, MCQ, MCQs with answers, objective questions, competitive exam questions, Competitive Exams, Competitive Exams MCQ, Competitive Exams MCQs, Competitive Exams questions, Competitive Exams practice questions, Aptitude, Aptitude MCQ, Aptitude MCQs, Aptitude questions, Aptitude practice questions, Compound Interest","mainEntity":{"@type":"Question","name":"A sum of Rs. 12000 deposited at compound interest become double after…","text":"A sum of Rs. 12000 deposited at compound interest become double after 5 years. After 20 years it will become ?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Option D. Rs. 192000. Answer & Solution Answer: Option D Solution: & 12000 × ( 1 + R100 )^5 = 24000 & ( 1 + R100 )^5 = 2 & [ ( 1 + R100 )^5 ]^4 = 2^4 = 16 & ( 1 + R100 )^20 = 16 & P ( 1 + R100 )^20 = 16P & 12000 ( 1 + R100 )^20 = 16 × 12000 & 12000 ( 1 + R100 )^20 = 192000"}}}1d:T437,

Answer & Solution

Answer: Option D

Solution:

$$\eqalign{ & 12000 \times {\left( {1 + \frac{{\text{R}}}{{100}}} \right)^5} = 24000 \cr & \Righ