Q:

Select the option in which the two numbers are related in the same way as are the numbers in the given number-pair.
 (NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into its constituent digits. E.g. 13 – Operations on 13 such as adding /deleting /multiplying etc. to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed)
17 : 19

• 1
  23 : 27
• 2
  43 : 53
• 3
  29 : 31
• 4
  31 : 41