IBM Company Logical Reasoning Number Series

(Q1) 1/4, 1/4, 1/2, 1, 1/2, 6, ?
(Q2) 8, 5, 9, 7, 2, 25, 5, 1, 16, 8, 6, ?
(Q3) 1, 3, 1, 2.5, 5, 1, 4, 5, 4, 8, 7, ?
(Q4) 1/2, 1/2, 1/4, 1/6, 1/8, 1/18, 1/16, ?

Read Solution (Total 14)

IBM Other Question

1)30.5,31,30.3,67.2,67,70,100.183,?
2)11.5,17.5,35.5,89.5.?
3)1/3,1/2,1/4,2 1/3,3 1/2,4 1/4,4 1/3 ,6 1/2,?
4)6.5,8,8,12,9.5,24,11,36,?
5)198,194,184,168,146,?
6)30,28,25,20,34,28,?
7)18,20,22,20,28,20,?
8)11,8,17,14,23,24,31,32,?
9)9,18,21,25,20,?
10)1370,1320,1070,-180.?
In a software company 2/6 of people know C++,1/2 of them know java,1/5 of them know
neither,find the total possibility to know C++?