If it takes 5 minutes to fill a 15 litre bucket from a water tap of diameter $\frac{2}{\sqrt{\pi}}$ then the Reynolds number for the flow is (density of water $=10^3\; kg/m^3$ and viscosity of water $=10^{-3}$ Pa.s) close to :

Question

( A ) 1100
( B ) 5500
( C ) 550
( D ) 11,000