logical reasoning- series completion model questions

120, 99, 80, 63, 48, ?
A. 35 B. 38
C. 39 D. 40

3, 10, 101,?

A. 10101 B. 10201

C. 10202 D. 11012

In the series 2, 6, 18, 54, ...... what will be the 8th term ?

A. 4370 B. 4374

C. 7443 D. 7434

2, 15, 4, 12, 6, 7, ?, ?

A. 8, 8

B. 8, 0

C. 3, 8

D. None of these

Which term of the series 5, 8, 11, 14,.....is 320?

A. 104th B. 105th

C. 106th D. 64th

3, 7, 15, ?, 63, 127

A. 30 B. 31

C. 47 D. 52

6, 15, 35, 77, 

A. 143 B. 187

C. 165 D. 150

In this type of questions, one term in the number series is wrong. Find out the wrong term.

1,3,12,25,48

A. 3 B. 12

C. 25 D. 48

196, 169, 144, 121, 101

A. 101  B. 121

C. 169  D. 196

5, 27, 61, 122, 213, 340, 509

A. 27     B. 61

C. 122 D. 509

AYBZC, DWEXF, GUHVI, JSKTL, ?

A. MQORN B. MQNRO

C. NQMOR D. QMONR

PMT, OOS, NQR, MSQ, ?

A. LUP B. LVP

C. LVR D. LWP

DHL, PTX, BFJ, ?

A. CGK B. KOS

C. NRV D. RVZ