Exercise

Find the simple interest and amount when

Principal = $₹600,$ Rate = $8$$\%$ p.a., Time = $2$ years 

Find the simple interest and amount when

Principal = $₹750,$ Rate = $9$$\%$ p.a., Time = $5$ years 

Find the simple interest and amount when

Principal = $₹850,$ Rate = $1.5$$\%$ per month, Time = $1.3$ years 

Find the simple interest and amount when

Principal$=₹400$, Rate$=10$ paise per rupee per annum, Time = $6$ months

Find the simple interest and amount when

Principal$=₹300,$ Rate$=12$$\%$ p.a., Time$=8$ months.

At what rate will$₹100$ double itself in $7$ years at simple interest?

How long will it take $₹10$$0$ to triple itself at $5\%$ simple interest?

$₹7000$ left in a bank for $10$ years at simple interest amounts to $₹9800$. Then, the total amount after another $5$ years at the same rate is