Answer: Grandpa: 60 Granddaughter: 6
Explanation: When I first saw this, I noticed you can not get one solid whole number with a number like 54, so I rounded it up to 60, because 10 percent of 60 is 6. It IS possible for someone to be 5.4, but with age, not a lot of people care to go down to the decimal point. I then checked the other part. 60 IS 54 years more than 6, so 60 is correct.
Answer: Everyone lives in misery and fear. At that point, Winston believes he may be fantasizing, believing and seeing things that are not really there, because the only official record is from The Party. Winston suspects that history to be false, but then begins to doubt himself.