Latest IBM Aptitude Question SOLUTION: IBM ISDL campus recruitment: 1) -3 6 1 -2 4 -1 -1 2 -3 ? 2) 507 169 248 62 36 12 168 42 168 56 ? 3) 4 3 144 1.5 2 9 5 .3 2.25 3.2 2 ? 4) -5 1 -11 23 29 17 -20 -14 ? 5) 776 625 64