Question

Kuldip invested $5,000 at 6%, $10,000 at 5.5%, and $20,000 at 4%. What is the average rate of interest earned by herinvestments?a) 4.7%b)5.25%c)5.2%d.)5%​

Answer 1

Answer:

5671

Step-by-step explanation:

Given: Principal = Rs. 5,000, Time =2 years

After one year amount = Rs. 5,325

Amount at the end of 2

nd

year

A=P(1+

100

r

)

n

A=5,000(1+

100

65

)

2

=5,000(

100

106.5

)

2

A=5000×

100×100

106.5×106.5

A= Rs. 5671.125

A≈ Rs. 5671