Krishna deposited rs 60000 at the rate of 8% in saving account. after 5 yrs he withdrew rs 40000 and total interest of 5 yrs. how long should he keep the remaining amount to get total interest rs 28000 from the beginning...

22.5 years

Step-by-step explanation:

we know that

The simple interest formula is equal to

where

I is the Final Interest Value

P is the Principal amount of money to be invested

r is the rate of interest  

t is Number of Time Periods

in this problem we have

substitute in the formula above

Remember that

Krishna withdrew Rs 40000 and total interest

The remaining amount is

Now

we have

substitute

solve for t

From the beginning adds 5 years

a ruler? idk

step-by-step explanation:

50*10 is greater

step-by-step explanation:

if you add the zero from 10 to 50, it will give you a bigger number.