What will be the subgrade support for a wheel load of 4100 kg and tyre pressure of 7 kg/cm2 if the subgrade soil is subjected to plate load bearing test using 30 cm diameter plate and it yielded a pressure of 2.5 kg/cm2 after ten repetitions of load at 0.5 cm deflection?

What will be the subgrade support for a wheel load of 4100 kg and tyre

1.	What will be the subgrade support for a wheel load of 4100 kg and tyre pressure of 7 kg/cm2 if the subgrade soil is subjected to plate load bearing test using 30 cm diameter plate and it yielded a pressure of 2.5 kg/cm2 after ten repetitions of load at 0.5 cm deflection?
A.	2.75 kg/cm<sup>2</sup>
B.	2.2 kg/cm<sup>2</sup>
C.	1.1 kg/cm<sup>2</sup>
D.	1.75 kg/cm<sup>2</sup>
Answer» B. 2.2 kg/cm<sup>2</sup>