Aptitude - Simple Interest - Discussion

Discussion Forum : Simple Interest - General Questions (Q.No. 1)
1.
A sum of money at simple interest amounts to Rs. 815 in 3 years and to Rs. 854 in 4 years. The sum is:
Rs. 650
Rs. 690
Rs. 698
Rs. 700
Answer: Option
Explanation:

S.I. for 1 year = Rs. (854 - 815) = Rs. 39.

S.I. for 3 years = Rs.(39 x 3) = Rs. 117.

Principal = Rs. (815 - 117) = Rs. 698.

Discussion:
171 comments Page 15 of 18.

Kamsali sandeep said:   4 months ago
Anyone please explain the Formula.
(5)

Prabhukiran said:   7 years ago
Nice Explanation, thanks @Vikram.

Jayesh said:   2 decades ago
Can the formula be SI*100/R*T ?

Monika said:   10 years ago
Can explain me logic behind it?

Mahi said:   2 years ago
Well explained, thanks @Arijit.
(21)

Sase M said:   8 years ago
@Divya.

Its a initial amount.

Raj said:   1 month ago
Nice explanations, thanks all.
(7)

Navi said:   7 years ago
Thanks for the answer @Padma.

Adiba said:   4 years ago
Good explanation, Thanks all.
(2)

Sachin said:   9 years ago
Thanks @Vikram and @Gayatri.


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