TCS
Company
Logical Reasoning
Number Series
1, 4, 2, 8, 6, 24, 22, 88, ___
Read Solution (Total 11)
-
- Ans. 86
Explanation:
The series is
1
1*4=4
4-2=2
2*4=8
8-2=6
6*4=24
24-2=22
22*4=88
88-2=86
86*4=344
i.e alternatively subtract 2 and then multiply by 4 to get other terms. - 12 years agoHelpfull: Yes(34) No(2)
- consider pairs as (1,4),(2,8),(6,24),(22,88).in each pair,(2nd digit-2)= first digit in next pair.so,88-2=86.
- 12 years agoHelpfull: Yes(7) No(0)
- first of all even terms are multiple of 4 of corresponding predecessor odd terms.ok after that we concentrate on only ODD term so, 1*4-2=2(3rd term)
2*4-2=6(5th),6*4-2=22(7th).....similarly
22*4-2=86.............so Ans is 86 - 12 years agoHelpfull: Yes(5) No(1)
- 86.
alternate
1+1^2=2
2+2^2=6
6+4^2=22
22+8^2=86 - 12 years agoHelpfull: Yes(1) No(0)
- answer :: 86,344
sol:: 1,4,2,8,24,22,88,.....
in series every "even term" is multiple of 4 of it earlier term.
and every "odd term" get reduce by 2 from it earlier term.
so series will be
1,4,2,8,6,24,22,88,86,344..... - 12 years agoHelpfull: Yes(0) No(0)
- first term is multiplied by 4 then 2 is substracted
so the next term will be 86 - 12 years agoHelpfull: Yes(0) No(0)
- 86.every number is multiplied by 4 and subtracted by 2.
- 12 years agoHelpfull: Yes(0) No(0)
- 86
4-2=2 8-2=6 24-22=2 88-2=86 - 12 years agoHelpfull: Yes(0) No(0)
- (1,4),(2,8),(6,24),(22,88)
1
1*4=4
2
4*2=8
(1*4)+2=6
6*4=24
(8*2)+6=22
22*4=88
(24*6)+22=166
So ans is 166
- 12 years agoHelpfull: Yes(0) No(4)
- *4 -2 *4 -2......answer is 86
- 12 years agoHelpfull: Yes(0) No(0)
- 86.
here the series is 1,1*4=4,4-2=2,284=8,8-2=6,6*4=24,24-2=22,22*4=88,88-2=86 - 5 years agoHelpfull: Yes(0) No(0)
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