1 11 13 17 19 23 29 31 37 41 2 8 24 12 36 18 54 3 7 26

1)ans is 43
prime numbers
11 years agoHelpfull: Yes(25) No(0)
3)ans is 511
So the series is like x^3-1
2^3-1,3^3-1,4^3-1,5^3-1,6^3-1,7^3-1,8^3-1
11 years agoHelpfull: Yes(22) No(1)
2)ans is 26
consider alternate numbers 8,12,18 so the diff is 4,6 so the next num is 26
11 years agoHelpfull: Yes(6) No(5)
1) 43 prime no
2) 8,12,18 dif increase by 2 and 24,36 ,54 dif inc by 4 so ans is 26
3)511
11 years agoHelpfull: Yes(5) No(0)
2)ans is 27.....see the difference between alternative digit like
2nd digit-3rd digit=3rd digit 24-12=12
4th digit-5th digit=5th digit 36-18=18
6th digit-7th digit=7th digit 54-27=27
11 years agoHelpfull: Yes(3) No(3)
1)ans=43---prime numbers
2)ans=27---*3 and /2
3)ans=511---2cubes-1 3cubes-1 same way 8cube-1
11 years agoHelpfull: Yes(2) No(0)
1,ans 43 prime number
11 years agoHelpfull: Yes(0) No(1)
1. 43 (Next Prime No. in series)
2. 8*3
24/2 in this manner Ans is 27.
3. 511.
11 years agoHelpfull: Yes(0) No(0)
here i take two series 8,12,18 ,in which 12/8=1.5 &18/12=1.5 so next hv ratio of 1.5 so it is 18*1.5=27 and 24 36 54 is 2nd one has also ratio of 1.5.
11 years agoHelpfull: Yes(0) No(0)
1.ans is 43..all r prime number
11 years agoHelpfull: Yes(0) No(0)
2)8,24,12,36,18,54,x
8*3=24
12*3=36
18*3=54
same way 54*3=162
10 years agoHelpfull: Yes(0) No(0)

1) 11, 13, 17, 19, 23, 29, 31, 37, 41 _
2) 8, 24, 12, 36, 18, 54
3) 7, 26, 63,124, 215, 342