find the wrong number
157.5 , 45 , 15 , 6 , 3 , 2 , 1

• 1 is wrong
  157.5/3.5 =45
  45/3=15
  15/2.5=6
  6/2=3
  3/1.5=2
  2/1=2
  so wrong is 1
  
• 9 years agoHelpfull: Yes(1) No(0)
• 157.5/3.5 = 45 /3 = 15 /2.5 = 6 /2 = 3 /1.5 = 2 /1 = 2....so 1 is odd
• 9 years agoHelpfull: Yes(0) No(0)