what is the next number in this series
1)2.2 5.5 8 36 40.5 263.25 340 748 1714
2)-3 -6 -9 -82 -80 -30 -33 -36 -55 -53 -24
3)52 62 42 78 89 68 49 61 39 63 76
4)3.2 4.2 4.7 2.7 6.2 1.2 7.7 -0.3 9.2 -1.8

• (52,62,42)=52+10=62,52-10=42
  (78,89,68)=78+11=89,78-10,68
  (49,61,39)=49+12=61,49-10=39
  (63,76,53)=63+13=76,63-10=53
  So answer is 53
• 10 years agoHelpfull: Yes(26) No(0)
• for 2)
  (-3 -6 -9) (-82 -80) (-30 -33 -36) (-55 -53) (-24
  -3-3=-6 -6-3=-9
  -82+2=-80
  
  -30-3=-33 -33-3=36
  -55+2=-53
  
  then next number is -24
  so the answer is -24-3=-27
• 10 years agoHelpfull: Yes(20) No(4)
• 4) take alternatively,
  3.2,4.7,6.2,7.7,9.2,10.7(each add with 1.5)
  4.2,2.7,1.2,-.3,-1.8,-3.3(each difference of 1.5)
• 10 years agoHelpfull: Yes(12) No(0)
• 3)52 62 42 78 89 68 49 61 39 63 76
  (52 62 42) (78 89 68) (49 61 39) (63 76 X)
  62-52=10
  62-42=20
  
  89-78=11
  89-68=21
  
  61-49=12
  61-39=22
  
  76-63=13
  76-X =23
  76-23=X===>X=53(ans)
  
• 10 years agoHelpfull: Yes(5) No(0)
• 2.2,5.5,8,36,40.5,263.25,340,748,1714,?
  
  Make pairs
  
  (2.2,5.5), (8,36), (40.5,263.25), (340,748), (1714,x)
  
  5.5/2.2 = 5/2
  36 / 8 = 9/2
  263.25/40.5 = 13/2
  748 / 340 = 17/2
  
  SO , X / 1714 = 21/2
  
  Then: X = 1714*21/2 = 17997
  
  Ans :17997
  
• 9 years agoHelpfull: Yes(4) No(0)
• 1. 2.2,5.5,8,36,40.5,263.25,340,748,1714,?
  (2.2,5.5),(8,36),(40.5,263.25),(340,748),(1714,x)
  5.5=2.2*2+2.2/2
  36=8*4+8/2
  263.25=40.5*6+40.5/2
  
  748=2*340+340/5
  x=4*1714+1714/5=7198.8
  
• 10 years agoHelpfull: Yes(2) No(8)
• guys plz post aptitude questions
• 10 years agoHelpfull: Yes(0) No(1)
• 1)2.2 5.5 8 36 40.5 263.25 340 748 1714 solve this answ pls
• 10 years agoHelpfull: Yes(0) No(1)
• 2)-3,-6,-9,-82,-80,-30,-33,-36,-55,-53,-24,?
  
  make a pair of 3 or 2 element
  (-3,-6,-9) ,(-82,-80),(-30,-33,-36),(-55,-53),(-24,-?__,-?__)
  
  now,in 3element pair we have to subtract(-3)from each...i.e; -3-3=-6
  -6-3=-9
  
  
  and in 2pair element we have to add +2..i.e; -82+2=-80
  
  so ANS. is (-24-3=-27)
  
  thanks.
• 7 years agoHelpfull: Yes(0) No(0)
• for 4th question:
  3.2+1.5=4.7
  4.7+1.5=6.2
  6.2+1.5=7.7
  7.7+1.5=9.2
  9.2+1.5=10.7
  the other alternate series subtract 1.5
• 7 years agoHelpfull: Yes(0) No(0)