Question

A Sum of Money at Simple Interest amounts to$Rs.815$ in $3$ Years and to $Rs.854$in $4$ Years. The Sum is _________

• A. $650$
• B. $690.$
• C. $698.$
• D. $700.$

Answer 1

The correct option is C

$698.$

Finding the Principal Amount

Simple Interest (S.I) for one year$=Rs.854–Rs.815=Rs.39$

Simple Interest (S.I) for three year$=Rs.39\times 3=Rs.117$

Therefore, the Principal amount $=Rs.815–Rs.117=Rs.698$