In each of the questions given below a/an idiom/phrase is given in bold which is then followed by five options which then try to decipher its meaning. Choose the option which gives the correct meaning of the phrases.

Q:

It takes one to know one

• 1
  You're just as excellent as I am
• 2
  You and I are failure
• 3
  You're just as diligent as I am
• 4
  You're just as bad as I am
• 5
  You're just as cool as I am