Question

answer please don't spam or I will report your account ​

Answer 1

correct answer is 4 yrs

solution:

Let T be the required time

Interest will be equal in both case.

I=

100

PTR

⇒

100

900×6×T

=

100

540×8×5

⇒900×6×T=540×8×5

⇒T=

900×6

540×8×5

⇒T=4

Required time =4 years