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:T4b3,{"@context":"https://schema.org","@type":"QAPage","name":"In what time will Rs 64000 amounts to Rs 68921 at 5% per annum intere…","url":"https://vidyalelo.com/practice-question/in-what-time-will-rs-64000-amounts-to-rs-68921-at-5-percent-per-annum-interest-being-compounded-half-yearly-89506","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":"In what time will Rs 64000 amounts to Rs 68921 at 5% per annum intere…","text":"In what time will Rs 64000 amounts to Rs 68921 at 5% per annum interest being compounded half yearly ?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Option A. 11/2 years. Answer & Solution Answer: Option A Solution: & According to the question, & Amount = ( 1 + R2 × 100 )^2 × t & 68921 = 64000 ( 1 + 52 × 100 )^2 × t & 6892164000 = ( 1 + 140 )^2 × t & ( 4140 )^3 = ( 4140 )^2 × t & 2 t = 3 & t = 3/2 & t = 11/2 years"}}}1d:T44b,

Answer & Solution

Answer: Option A

Solution:

$$\eqalign{ & {\text{According to the question,}} \cr & {\text{Amount}} = {\text{ }}{\left( {1 + \frac{{\