prp  qrp  prr  pqr  qrp  rpr  qqr  rpr  qpr  qrr qpr  qpr

If every third letter starting from the left is replaced by a number beginning with 1 then which letter/ number will be 16th from the right?

A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.
10, 29, 66, 127, ?

A series is given, with one term missing. Choose the correct alternative from the given ones that will complete the series.

(3, 5), (5, 7) ( ? ), (11, 13)

A series is given, with one term missing. Choose the correct alternative from the given ones that will complete the series.

206, 309, 412, ?, 618, 721

A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.
2, 10, 30, 68, ?

A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.
1, 5, 30, 210, 1680, ?

A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.
1, 7, 42, 210, 840, ?

A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.
2, 7, 16, ? , 46, 67

A series is given, with one number missing. Choose the correct alternative from the given ones that will complete the series.
49, 64, ?, 100, 121