TLS Online TPP Program

#Question id: 23432


If D is the brother of B, how B is related to C? To answer this question which of the statements is/are necessary?
1.The son of D is the grandson of C
2. B is the sister of D

#Aptitude
  1. Only 1 
  2. Only 2
  3. Either 1 or 2 
  4. 1 and 2 both are required