A right circular cylindrical tank of radius 'R' meter and height 'R + 7' meter contains oil. The entire quantity of oil is taken out from the cylindrical tank and poured into 'N' number of hemispherical bowls such that each bowl is filled up to their maximum capacity. If the maximum capacity of each bowl is 11R3/42 m3. Which among the following (i, ii, iii and iv ) is/are the possible values of 'N'. (R and N are positive integers).
i. 13
ii. 8
iii. 16
iv. 17