1. 32, ?, 1024, 2048, 2048 Find the missing number?

A. 324 B. 256 C. 224 D. 326 E. 274

2. 9, 5, 6, 10.5, 23 ? Find the missing number?

A. 50 B. 65 C. 70 D. 55 E. 60

3. 17, 98, 26, ?, 35, 80 Find the missing number?

A. 79 B. 69 C. 89 D. 59 E. 49

4. 2, 17, 89, 359, 1079, ? Find the missing number?

A. 2143 B. 2152 C. 2169 D. 2159 E. 2148

5. 7, 4.5 ,5.5, 12, 49,? Find the missing number?

A. 393 B. 351 C. 362 D. 375 E. 364

Answers and Explanations
1. Answer - Option A
Explanation -
32 × 8 = 256
256 × 4 = 1024
1024 × 2 = 2048
2. Answer - Option E
Explanation -
9 × 0.5 + 0.5 = 5
5 × 1 + 1 = 6
6 × 1.5 + 1.5 = 10.5
10.5 × 2 + 2 = 23
23 × 2.5 + 2.5 = 60
3. Answer - Option C
Explanation -
26 -17 = 9; 35 – 26 = 9
98 – 9 = 89
4. Answer - Option D
Explanation -
2 × 6 + 5 = 17
17 × 5 + 4 = 89
89 × 4 + 3 = 359
359 × 3 + 2 = 1079
1079 × 2 + 1 = 2159
5. Answer - Option A
Explanation -
7 × 0.5 + 1 = 4.5.
4.5 × 1 + 1 = 5.5.
5.5 × 2 + 1 = 12.
12 × 4 + 1 = 49.
49 × 8 + 1 = 393.

1. If in certain code MONKEY is written as ZFLOPN then in the same code how CHARACTER is written?

A. SFUDBSCID B. SFUDBEBID C. SFUBIDDBS D. SFUDBSBID E. None of these

2. If in certain code CERTAIN is written as DGUTXGM then in the same code how REVERSE is written?

A. SGYEOQS B. SGXEQOD C. SGYEOQD D. SGYEQOD E. None of these

3. If in certain code COMPUTER is written as RCOW then in the same code how DOCUMENT is written?

A. SXRH B. SXHR C. XSRH D. SXGR E. None of these

4. If in certain code SOFTWARE is written as TOGUXASE then in the same code how WEDNESDAY is written?

A. XEEMETEAZ B. XEEOETEAZ C. XEFOETEAZ D. XEEOETEAY E. None of these

5. If in certain code TRANSLATE is written as SQBMRKBSF then in the same code how VERIZON is written?

A. UFQJYUM B. UFQJXPM C. FUQJYPM D. UEQJYEM E. None of these

Answers and Explanations
1. Answer - Option D
Explanation -
Write the word in reverse order and then shift one place forward
CHARACTER = RETCARAHC (in reverse order) = SFUDBSBID (+1 forward)
2. Answer - Option C
Explanation -
+1, +2, +3, same, -3, -2, -1
3. Answer - Option A
Explanation -
Divide the word in equal groups of two like in DOCUMENT
DO, CU, ME and NT and now add their respective positions in English alphabet like DO = 4 + 15 = 19
CU = 3 + 21 = 24, ME = 13 + 5 = 18 and NT = 14 + 20 = 34.
Now, 19 is equivalent to S, 24 is equivalent to X, 18 is equivalent to R and 34 is equivalent to 26 + 8 = H
4. Answer - Option B
Explanation -
All vowels are kept same and consonants are increased one step forward
5. Answer - Option E
Explanation -
UFQJYPM ( vowels are increased one step forward and consonants are moved one step backward)

1. If in certain code CERTAIN is written as MRZGIVX then in the same code how ACTIVATE is written?

A. VGZERGXZ B. VGZERGXY C. VGZERGCX D. VGZERGZX E. None of these

2. If in certain code SHOP is written as RTGINPOQ then in the same code how CODE is written?

A. BDPNCEFD B. BDMPCEDF C. BDNPCEDF D. BDNPCFDF E. None of these

3. In a certain code NATIONAL is written ALTINAON then in than in the same code how DAUGHTER is written.

A. AUTHDGER B. ERDAUGHT C. ERUGDAHT D. HTERUGDA E. None of these

4. 1, 20, 58, 134, 286, ? Find the missing number?

A. 600 B. 590 C. 580 D. 570 E. 560

5. 68, 117, 61, 124, 54, ? Find the missing number?

A. 141 B. 121 C. 151 D. 131 E. 111

Answers and Explanations
1. Answer - Option A
Explanation -
write the word in reverse order like ETAVITCA and now write their opposites (AZ, BY, CX, DW and so on)
2. Answer - Option C
Explanation -
Each letter is coded as two letter – one following it and other preceding it
3. Answer - Option C
Explanation -
NATIONAL (NA = 1, TI = 2, ON = 3 and AL = 4) similarly for DAUGHTER (DA = 1, UG =2, HT =3 and ER = 4) and then arrange them in 4213 order
4. Answer - Option B
Explanation -
1 × 2 + 18 = 20
20 × 2 + 18 = 58
58 × 2 + 18 = 134
134 × 2 + 18 = 286
5. Answer - Option D
Explanation -
68 – 7 = 61; 61 – 7 = 54
124 + 7 = 131