Easwari deposited Rs. 350 per month for 6 years in a recurring deposit account in a post office. if she received Rs. 32865 then the rate of interest is

According to the formula and all, the answer is 10%

if u need the working too ... i will tell you

well ... here is the formula ... interest = principal each month x months x months+1 x rate / 2 x 12

and, amount at maturity = interest + (principal each month x months)