Given:
Principal (P) = 12000 rupees,
Rate of interest (R) = 9%
Total Amount = 17400 rupees
Total interest (I) = 17400 − 12000
= 5400 rupees
Since, I=PTR100
Time, ⇒(T)=I×100P×R
=5400×10012000×9
∴T=5 years
Hence, Javed had deposited the money for 5 years.