As a fifty year old woman, if you can do one pull-up you're way ahead of most women. The answer is though: do as many as you can, and remember to train your antagonist(push) muscles.
none
a thirteen year old should do about 25-40
2000
1800
The answer depends on the woman's height and body type
There is no one answer to this question. How many calories a 72 year old woman should consume daily depends on several factors: her height, her metabolic rate, how active she is.
2500
1200
2100 calories
1500
1600
2000