Aptitude - Simple Interest - Discussion

Discussion Forum : Simple Interest - General Questions (Q.No. 4)
4.
How much time will it take for an amount of Rs. 450 to yield Rs. 81 as interest at 4.5% per annum of simple interest?
3.5 years
4 years
4.5 years
5 years
Answer: Option
Explanation:

Time = 100 x 81 years = 4 years.
450 x 4.5

Video Explanation: https://youtu.be/WdBzN0Sj8jc

Discussion:
65 comments Page 6 of 7.

J.JEYA SHANMUGA said:   7 years ago
T= 100 * I/P * R.
T= 100 * 81/450 * 4.5.
T= 4 YEARS.
(1)

Asha said:   2 years ago
Can anyone explain how you got 4 years, in detail?
(8)

Vinay Tiwari said:   1 decade ago
Please tell me some basic formulas related to SI.

Retty said:   5 years ago
Is amount and principal same? Please explain me.

Ojoswini Mohanty said:   3 years ago
Anyone, please explain me the formula in detail.
(1)

Lukman Ibrahim said:   4 years ago
How to get 4 years? Please anyone explain.

Dilepkumar said:   2 decades ago
si=ptr/100
p=sum
t=time
r=rate of intrest

Jineesh k b said:   1 decade ago
450*4.5/100=20.25
20.25*4=81(from option)

Muthu said:   2 years ago
450 รท 100 * 4.5 = 20.25.
20.25 * 4 = 81.
(8)

Shruthi said:   9 years ago
Clarify me difference between I and p.


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