1, 1, 2, 6, 24, ?, 720

90, 180, 12, 50, 100, 200, ?, 3, 50, 4, 25, 2, 6, 30, 3

Choose the missing terms out of the given alternatives : Y, B, T, G, O, ?

198, 194, 185, 169, ?

One term in the number series is wrong. Find out the wrong term.<br> 46080, 3840, 384, 48, 24, 2, 1

4, 9, 25, ?, 121, 169, 289, 361

Choose the missing terms out of the given alternatives : WFB , TGD , QHG , ?

0, 2, 3, 5, 8, 10, 15, 17, 24, 26, ?

Choose the missing terms out of the given alternatives.<br> PERPENDICULAR, ERPENDICULA, RPENDICUL, ?