TCS
Company
Logical Reasoning
Number Series
3, 12, 7, 26, 15, ?
a)54 b)27 c)108 d)31
Read Solution (Total 4)
-
- answer is:54
one of the series is 12,26,54
12*2=24+2=26;
26*2=52+2=54; - 13 years agoHelpfull: Yes(9) No(0)
- there are two series
3
12
7 = 3*2+1
26 = 12*2+2
15 = 7*2+1
26*2+2 =54 - 13 years agoHelpfull: Yes(6) No(0)
- 12*2+2=26
26*2+2=54 - 9 years agoHelpfull: Yes(1) No(0)
- 3 , 12, 3*2+1 , 12*2+2 , 7*2 + 1 , 26*2 + 2
therefore , a)54 - 8 years agoHelpfull: Yes(0) No(0)
TCS Other Question
3, 22, 7, 45, 15,? , 31
a)91 b)151 c)90 d)5
5, 9, 12, 18, 26, 36, 47, 72, _?
a)75 b)135 c)100 d)55