Question

Suppose you have to find out the exact age of your fore-father how can you do that without asking your parent's or seeing their id cards ?(as for knowldge there is no is prove available at that time).

Answer 1

Explanation:

Suppose you have to find out the exact age of your fore-father how can you do that without asking your parent's or seeing their id cards ?(as for knowldge there is no is prove available at that time).