Question

Find SI on sum of $Rs.800$ if Rate for first 4 years is $5$% pa and for last 3 years is $8$% pa

• A. $Rs.348$
• B. $Rs.192$
• C. $Rs.32$
• D. $Rs.352$

Answer 1

The correct option is D $Rs.352$

Case I ${SI}_1=\frac{800\times 4\times 5}{100}=Rs.160$
Case II ${SI}_2=\frac{800\times 8\times 3}{100}=Rs.192$
Total interest for 7 years $=Rs.160+Rs.192=Rs.352$