91, 73, 55, __, 19
a. 27
b. 37
c. 47
d. None of the above

• answer is 37
  the diff betn no. is of 18
  so 55-18 = 37
  again 37-18=19
  hence no. is 37
• 10 years agoHelpfull: Yes(0) No(0)
• 55-18 = 37
  again 37-18=19
  hence no. is 37
  
• 9 years agoHelpfull: Yes(0) No(0)