The answer for 2011 minus 1927 is 84
1948 is 52 away from 2000 52 + 17 = 69
2,011 minus 1,959 is 52.
2,011 minus 1,969 is 42.
2,011 minus 1,950 is 61.
2,011 minus 1,953 is 58.
2,011 minus 1,955 is 56.
2011 - 1988 = 23
2011 - 1929 = 82
2011 - 1990 = 21
2011-1986=25
2011 - 49 = 1,962