A wise old woman calls upon all her 7 sons at her eleventh hour and hands them over the keys of a box in which she keeps all her precious jewelry. She tells them that she has locked the box with multiple locks so that the box can be opened only when majority of you are present with the keys I am giving to you. After giving each of her sons the keys of certain locks she takes her last breath. How many locks she uses to secure her jewelry and how many keys does she hand over to each of the seven sons?

A wise old woman calls upon all her 7 sons at her eleventh hour and ha

1.	A wise old woman calls upon all her 7 sons at her eleventh hour and hands them over the keys of a box in which she keeps all her precious jewelry. She tells them that she has locked the box with multiple locks so that the box can be opened only when majority of you are present with the keys I am giving to you. After giving each of her sons the keys of certain locks she takes her last breath. How many locks she uses to secure her jewelry and how many keys does she hand over to each of the seven sons?
Answer» 35,20 42,21 28,21 36,18 Answer :A