Insert the missing number.
8, 7, 11, 12, 14, 17, 17, 22, (....)

A. 27 B. 20
C. 22 D. 2

• 8,11,14,17,20=dif of adj num is 3
  7,12,17,22,= dif is 5
  so next num is 27
• 11 years agoHelpfull: Yes(3) No(5)
• B.20
  
  8,11,14,17
  (11-8),(14-11),(17-14)=3
  similarly for 7,12,17,22..
  so ans is 20
  
  
• 8 years agoHelpfull: Yes(0) No(0)
• there are two series in which one increament by 3 and other by 5
  8+3=11 7+5=12
  11+3=14 12+5=17
  14+3=17 17+5=22
  17+3=20
  means answer is B
• 7 years agoHelpfull: Yes(0) No(0)
• 7,11,12,14,17,17,22,...Split the question into two series as follows
  1st series: 7,12,17,22
  2nd series:11,14,17,-----
  In 2nd series difference is +3, so answer is 17+3=20
• 7 years agoHelpfull: Yes(0) No(0)