**1) AZ, GT, MN, _, YB, find the missing letters.
**1) KF

2) RX

3) SH

4) TS

**Answer: (3)**

The first letter moves 6 steps forward. The second letter moves 6 steps backwards.

**2) AZ, CX, FU, _, find the missing letters.
**1) IR

2) IV

3) JQ

4) KP

**Answer: (3)**

The first letter moves 2, 3, 4, .. steps forward. The second letter moves 2, 3, 4, .. steps backwards.

**3) Find the missing letters in the series, AZ, BY, CX, _.
**1) KF

2) RX

3) SH

4) DW

**Answer: (4)**

The first letter moves 1 step forward. The second letter moves 1 step backwards.

**4. Find the missing letters in the series, _, SIY, OEU, KAQ, GWM, CSI.
**1) WNE

2) WNB

3) WNE

4) WMC

**Answer: (4)**

The letters move 4 steps backwards to obtain the next term.

**5) Find the missing letters in the series, DKY, FJW, HIU, JHS, _ .
**1) KGR

2) LFQ

3) KFR

4) LGQ

**Answer: (4)**

The first letter moves 2 steps forward. The second letter moves 1 step backwards. The third letter moves 2 steps backwards.

**6) CMW, HRB, _, RBL, WGQ, BLV, find the missing letters.
**1) MWG

2) LVF

3) LWG

4) WMX

**Answer: (1)**

Each letter moves 5 steps forward.

**7) BXJ, ETL, HPN, KLP, _, find the missing letters.
**1) NHR

2) MHQ

3) MIP

4) NIR

**Answer: (1)**

The first letter moves 3 steps forward. The second letter moves 4 steps backwards. The third letter moves 2 steps forward.

**8) QPO, SRQ, UTS, WVU, _, find the missing letters.
**1) XVZ

2) ZYA

3) YXW

4) VWX

**Answer: (3)**

The first letter and the last letter of the next term are the same. Each term consists of three consecutive letters in reverse order.

**9) JE, LH, OL, SQ, _, find the missing letters.
**1) WV

2) WX

3) VW

4) XW

**Answer: (4)
**The first letter moves 2, 3, 4, .. steps forward. The second letter moves 3, 4, 5, .. steps forward.

**10) AD, EH, IL, _, QT, find the missing letters.
**1) LM

2) MN

3) IL

4) QT

**Answer: (3)**

Both letters move 4 steps forward.

**also see**

C Programming language |
Go Programming language |

Linked List |
Array |

Stack |
Queue |

Puzzle |
Reasoning |

Aptitude |
HTML |