Question

A man invested 1/3rd of the sum
at 7%, 1/4th at 8% and the
remaining at 10% for one year. If
the annual interest is Rs. 408,
then the investment is
O Rs. 9800
O Rs. 4,800
O Rs. 7,800
O Rs. 3,800​

Answer 1

Answer:

Step-by-step explanation:

Rs.4800 is thecorrect answere

Answer 2

Answer:

Let total capital be x. Then

(x3×7100×1)+(x4×8100×1)+(5x12×10100×1)=5610

= 7x300+x50+x24=5610

= 51x=(5610×600)

=> x=(5610×60051)

=> x=66000