A solid circular shaft needs to be designed to transmit a torque of 55 N m. If the allowable shearstress of the material is 280 $$\frac{N}{mm^{2}}$$ ind the diameter (in mm)of the shaft required tO transmit the torque. $$(Assume,\pi=\frac{22}{7})$$

A

5.62

B

10

C

31.62

D

25.0