Bible Quiz The Bible Quiz - If Sarah was 90 years old when she gave birth to Yitzchak (Isaac), how old was Avraham (Abraham)? Topic Q 182 Question 1 of 1 Lech Lecha Score of 60 If Sarah was 90 years old when she gave birth to Yitzchak (Isaac), how old was Avraham (Abraham)? 90 75 127 100 Menu Click For Source Bereishit 17:17 187 people have so far answered this question That is correct10.2% of people got this wrong. That is not correctOnly 89.8% of people got it right.