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 14 of 18.

Hari said:   8 years ago
What is the percentage of the interest?

Visithra said:   8 years ago
Very useful discussion. Thank you all.

Pinkey said:   7 years ago
Thank you for explaining the examples.

Zekarieyas said:   4 years ago
It is good for all. Thank you so much.

Mayaank said:   8 years ago
Is this the sum of money for 3 years?

Pooja Yadav said:   7 years ago
Thanks all for explaining the answer.

Vijay said:   1 decade ago
What is formula of simpe interest ?
(1)

Pragya said:   7 years ago
Thanks for explaining the solution.

Anusha said:   3 years ago
Thank you for explaining @Gayathri.
(22)

Arijit said:   5 years ago
P = (A2 * T1 - A1 * T2)/(T1 - T2).
(2)


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