CLEAR
Toprankers-Info

+91 7676564400

Mobile App

Get it on Google Play
Discussions
Select Date
Tags:

Articles

Discussions
Submit Discussion
Hitesh Jangid

· started a discussion

· 1 Months ago

Plz help (Question:139748.0)

100*100/300*5=20/3 kya ye galat answer h

Question:

Prem invested a certain sum of money in a simple interest. It amounts to Rs 300 at the end of 3 year and to Rs 400 at the end of 8 year. What was the rate of interest in which he invested his sum?

Options:
A) 12%
B) 24%
C) 6.67%
D) 8.33%
Solution:
Ans:(d) Let principal be P and rate of interest be r% 

then \(\cfrac{P×r×3}{100}+ P = 300\).......(i)

At the end of another 5 years means 3+5=8 years.

\(\cfrac{P×r×8}{100}+ P = 400\).........(ii)

On Subtracting Eq. (i) from Eq. (ii)


\(\cfrac{P×r×5}{100}= 100\)

\(∴ P × r = 2,000\)


From Eq (i),

\(\cfrac{2000×3}{100}+ P = 300 ∴ P = \unicode{x20B9} 240 \)

240 × r = 2000 
r = 8.33%

Knowledge Expert

· commented

· 1 Months ago

Dear student,
Given answer is correct.
Keep learning,
Team TR
-logo
We at aim to provide most comprehensive content & test for practice which is carefully divided into various chapters and topics to help you focus on your weak areas.Our Practice mock test gives you unmatched analytics to help you realize your strong areas,time management and improvement areas.Our Short & Crisp notes on each topic will help you to quickly revise the topic along with the tips & tricks of the exams.
More About
-Info
-Info

Mobile App

Get it on Google Play
About Us Campus Ambassador Careers Contact Us Refund Policy

All Rights Reserved Top Rankers

User Policy
Disclaimer
Terms & Conditions