Q. What is the next number of the following sequence.
10, 1, 9, 2, 8, 3, 7, 4, 6, 5, 5, 6, 4, 7, 3, 8, 2,....

• 10 1 9 2 8 3 7 4 6 5 5 6 4 7 3 8 2 9 1
  There are two series alternatively
  from first left decreasing from 10 alternatively
  from second left increasing from 1 alternatively
• 11 years agoHelpfull: Yes(10) No(0)
• ans is 9,1
  10=1+9,2+8,3+7.............7+3,8+2, so ans is 9+1
• 11 years agoHelpfull: Yes(9) No(0)
• 9 1
  10 9 8 7 6 5 4 3 2 1 one series
  and the second series is 1 2 3 4 5 6 7 8 9
  and the two series has been merged into one
• 11 years agoHelpfull: Yes(2) No(0)
• given series is
  10_9_8_7_6_5_4_3_2_1
  and in that gapes they given
  1 2 3 4 5 6 7 8 9
  collectively
  10 1 9 2 8 3 7 4 6 5 5 6 4 7 3 8 2 9 1
  so last two digits are 9 1
• 11 years agoHelpfull: Yes(2) No(0)
• the above series can be divided into two parts such as
  10,9,8,7,6,5,4,3,2.. 1,2,3,4,5,6,7,8....
  by we can easily find the answer is 9 & 1
• 11 years agoHelpfull: Yes(1) No(0)
• 1+9=10, 2+8=10,....6+4=10,7+3=10,8+2=10,9+1=10
  thus numbers are 9,1
• 11 years agoHelpfull: Yes(1) No(0)
• all nos at even position follows sequence 1,2,3.... and all nos at odd position follows sequence 10,9,8...
  so, ans is 9
• 11 years agoHelpfull: Yes(1) No(0)
• the next two sequence is 9 & 1
• 10 years agoHelpfull: Yes(1) No(0)
• 9,1. sum of successive 2 numbers after 10 is 10. In which in each turn 1st number is gradually increasing by 1 and 2nd number is decreasing by 1.
• 11 years agoHelpfull: Yes(0) No(0)
• 10 1 9 2 8 3 7 4 6 5 5 6 4 7 3 8 2 in dis series there are two series
  10 9 8 7 6 5 4 3 2 next ill be 1
  1 2 3 4 5 6 7 8 next ill be 9
  so ans is 1 9
• 11 years agoHelpfull: Yes(0) No(0)
• 10-1=9
  10-2=8
  10-3=7
  .....
  10-8=2
  10-9=1
  Hence ans is 1,9 as next numbers
• 11 years agoHelpfull: Yes(0) No(0)
• first no. is 10 & 3 no.9 means odd position nos. are in decrasing order.
  2nd position no. is 1 and 4th positions no. is 2 means even position nos. are in increasing order.
• 11 years agoHelpfull: Yes(0) No(0)
• ans 9,1
  10_9_8_7_6_5_4_3_2_1
  1_2_3_4_5_6_7_8_9_10
• 11 years agoHelpfull: Yes(0) No(0)
• decrease from 10,9,8.
  increase from 1,2.....
  ans 9
  
• 11 years agoHelpfull: Yes(0) No(0)
• the ans is 9,1
• 11 years agoHelpfull: Yes(0) No(0)
• take alternative sequence then we get 1,2,3,4,5,6,7,8, so next term is 9
• 11 years agoHelpfull: Yes(0) No(0)
• 9 bcoz there are 2 alternating series .. one in descending & second in ascending order.. one is 10 9 8 7 6 5 4 3 2 & other is
  1 2 3 4 5 6 7 8 9
• 11 years agoHelpfull: Yes(0) No(0)
• 9..bcoz in odd places,counting is from decending order and in even places, counting is from ascending order
• 11 years agoHelpfull: Yes(0) No(0)
• the ans will be 9 & 1.
• 11 years agoHelpfull: Yes(0) No(0)
• here two series mixed together alternately.
  10,9,8,7,6,..... & 1,2,3,4,5.......
  so the next number in the series is 9
• 11 years agoHelpfull: Yes(0) No(0)
• 2
  2+2=4,
  4*4=16,
  16*17=512,
  512,
  512+2=514,
  514*4=2056,
  2056*17=34952
  
  so series is 2,4,16,512,512,2056,34952.
• 11 years agoHelpfull: Yes(0) No(0)
• 9 will be answer..
• 11 years agoHelpfull: Yes(0) No(0)
• Series starts with numbers 10 and 1 it goes on decreasing the 1st number(10) and increasing the 2nd number(1),so now its second number term ,after 8, ,its 9
  so answer is 9
• 11 years agoHelpfull: Yes(0) No(0)
• 9 will be the answer!!!
• 10 years agoHelpfull: Yes(0) No(1)