Choose the missing terms out of the given alternatives : DEF , HIJ , MNO , ?

3, 12,27,48, 75, 108,?

66, 36, 18, ?

Choose the missing terms out of the given alternatives : N5V, K7T, ?, E14P, B19N

5824, 5242, ?, 4247, 3823

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

One term in the number series is wrong. Find out the wrong term.<br> 121, 143, 165, 186, 209

One term in the number series is wrong. Find out the wrong term.<br> 15, 16, 22, 29, 45, 70

3, 7, 23, 95, ?