1. 3, 22, 7, 45, 15,? , 31
a) 91 b)151 c) 90 d) 5
2. 8 6 17 14 35 31 75 _ 143?

• Soln 1.
  3*2+1=7
  22*2+1=45
  similarily...
  45*2+1=91
  
  soln 2.
  6+2=8
  14+3=17
  31+4=35
  x+5=75 =>x=70
• 10 years agoHelpfull: Yes(21) No(1)
• 1. a.91 coz if u see the order it is multipied x+2and adding one
  
  ex: 3+3+1=7 similarly 45+45+1 = 91
• 10 years agoHelpfull: Yes(6) No(0)
• 1.a
  2.66; 75 will be 71
• 10 years agoHelpfull: Yes(3) No(2)
• 1.a)
  3*2+1=7
  22*2+1=45
  7*2+1=15
  45*2+1=91
  
  
  2.70
• 10 years agoHelpfull: Yes(1) No(1)
• 3*2+1=7
  22*2+1=45
  .
  .
  45*2+1=91
  b)8+6=14
  17+14=31
  35+31=66
  so 66 is ans
• 10 years agoHelpfull: Yes(1) No(0)
• 91 coz if we multiply any number by 2 and add 1 we get the no. adjacent to the next no...
  eg:3*2+1=7
  22*2+1=45
  45*2+1=91
• 10 years agoHelpfull: Yes(0) No(1)
• ans is 1) 91 nd 2) 80
• 10 years agoHelpfull: Yes(0) No(1)
• solution 1:
  ans=a)91
  
  Solution 2:
  ans=70
• 10 years agoHelpfull: Yes(0) No(1)
• 1.a)91
  2.70
  
• 10 years agoHelpfull: Yes(0) No(0)
• 3,22,3+4,22+23,7+8,45+46,15+16
• 10 years agoHelpfull: Yes(0) No(1)