Use app×
QUIZARD
QUIZARD
JEE MAIN 2026 Crash Course
NEET 2026 Crash Course
CLASS 12 FOUNDATION COURSE
CLASS 10 FOUNDATION COURSE
CLASS 9 FOUNDATION COURSE
CLASS 8 FOUNDATION COURSE
0 votes
376 views
in Compound Interest by (79.1k points)
closed by
किंतने समय मे रुपए 64000 , 5 % वार्षिक ब्याज से रुपए 68921 हो जाएगा यदि ब्याज अर्धवार्षिक चक्रवृद्धि ब्याज के रूप से सयोजिता होता है ?
A. `1(1)/(2)` years
B. 2 years
C. 3 years
D. `2(1)/(2)` years

1 Answer

0 votes
by (88.8k points)
selected by
 
Best answer
Correct Answer - a
(a) According to the question,
Amount `= P (1 +(R)/(2 xx 100))^(2 xx t)`
`rArr 68921 = 64000 ( 1+ (5)/(2 xx 100))^(2xxt)`
`rArr (68921)/(64000)= (1+(1)/(40))^(2xxt)`
`rArr ((41)/(40))^(3) = ((41)/(40))^(2xxt)`
`rArr 2t = 3 rArr t = (3)/(2) rArrt = 1(1)/(2)years`

Related questions

Welcome to Sarthaks eConnect: A unique platform where students can interact with teachers/experts/students to get solutions to their queries. Students (upto class 10+2) preparing for All Government Exams, CBSE Board Exam, ICSE Board Exam, State Board Exam, JEE (Mains+Advance) and NEET can ask questions from any subject and get quick answers by subject teachers/ experts/mentors/students.

Categories

...