Direction: Answer the questions given below referring to the following arrangement.
2 L P 3 R * J @ C O 7 N I # 4 Q A B 6 $ M = D 5 K

If the above series is re-arranged in the reverse order, which will be the eleventh to the left of the sixteenth elements from the left end?

Select the option that will fill in the blank and complete the given series.
DXB, GSI, JNP, MIW,___

Select the combination of letters that when sequentially placed in the blanks of the given series  will complete the series.
rtx_sx_z_txy_ _ yz

In the English alphabet, if B becomes A and P becomes O, then K becomes?

Which letter-cluster will replace the question mark (?) to complete the given series?

abCD, fgHI, ?, stUV, abCD

A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.
 NMRQ, NDZG, NUHW, NLPM, ?

The series given below contains a sequence of numbers. Identify the incorrect combination.
5, 6, 7, 8, 10, 11, 13, 15, 19

A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.
5, 11, 21, 43, 85, ?