What is the volume of a right circular cylinder in cm whose radius is 2 cm and height is 14 cm?
A. 176
B. 192
C. 184
D. 200
If 25 man can eat 150 kg of wheat in 30 days then 45 men can eat 450 kg of wheat in how many days?
A. 13 days
B. 15 days
C. 50 days
D. 60 days