Carbon : Diamond :: Corundum : ?

A. Garnet B. Ruby
C. Pukhraj D. Pearl

• B. Ruby
  
  Carbon : Diamond :: Corundum : Ruby
  
  Diamond is made of Carbon similarly Ruby is made of Corundum.
• 12 years agoHelpfull: Yes(6) No(1)
• Question Was Asked in AFCAT-14(Aug)
• 10 years agoHelpfull: Yes(1) No(0)