1. 4, 5, 6, 14, ?, 100.5

A. 2.5 B. 47.5 C. 67.5 D. 37.5 E. 27.5

2. 8 4 4 8 32 ?

A. 354 B. 384 C. 294 D. 234 E. 256

3. 2, 2, 7, ?, 87, 342

A. 21 B. 26 C. 23 D. 24 E. 22

4. 6, 8, 8, 22, ?, 151

A. 43 B. 42 C. 44 D. 47 E. 48

5. 4, ?, 14, 40, 88, 170

A. 9 B. 5 C. 6 D. 7 E. 2

Answers and Explanations
1. Answer - Option A
Explanation -
4 × 1 + 1 = 5
5 × 1.5 – 1.5= 6
6 × 2 + 2 = 14
14 × 2.5 – 2.5 = 32.5
32.5 × 3 + 3 = 100.5
2. Answer - Option E
Explanation -
8 × 0.5 = 4
4 × 1 = 4
4 × 2 = 8
8 × 4 = 32
32 × 8 = 256
3. Answer - Option E
Explanation -
2 + 1² – 1 = 2
2 + 2² + 1= 7
7 + 4² – 1= 22
4. Answer - Option D
Explanation -
6 × 1 + 2 = 8
8 × 1.5 – 4 = 8
8 × 2 + 6 = 22
22 × 2.5 – 8 = 47
47 × 3 + 10 = 151
5. Answer - Option C
Explanation -
4 + 1² + 1= 6
6 + 3² – 1= 14
14 + 5² + 1= 40……..

1. 6, 6, 7, ?, 91, 463

A. 33 B. 43 C. 38 D. 25 E. 44

2. 2, 9, 39, 161, ?, 2613

A. 675 B. 670 C. 665 D. 651 E. 655

3. 2, 5, 17, 50, 122, ?

A. 252 B. 258 C. 257 D. 225 E. 242

4. In a certain code MIRACLE is written as MQHYWNU then in that code PERSON is written as

A. JUHGKL B. JUHFKL C. JUHEKL D. JUPHEL E. None of these

5. In a certain code STUDENT is written as HGFWVMG then in that code FATHER is written as.

A. VZGSUI B. UZGSVI C. UZASJI D. UXGSVI E. None of these

Answers and Explanations
1. Answer - Option D
Explanation -
6 × 1 – 1 + 1 = 6
6 × 2 – 2 – 3 = 7
7 × 3 – 1 + 5 = 25
2. Answer - Option D
Explanation -
2 × 4 + 1 = 9
9 × 4 + 3 = 39
39 × 4 + 5 = 161
161 × 4 + 7 = 651
651 × 4 + 9 = 2613
3. Answer - Option C
Explanation -
2 + 1³ + 2 = 5
5 + 2³ + 4 = 17
17 + 3³ + 6 = 50
50 + 4³ + 8 = 122
4. Answer - Option A
Explanation -
Sum of corresponding terms is 26. (P + J = 26, E + U = 26 and so on)
5. Answer - Option B
Explanation -
Sum of terms is 27 (S + T = 27, T + G = 27 and so on)

1. In a certain code JAIPUR is written as APRAPR, then in that code KOLKATA is written as.

A. OKTKLAA B. OPAKLAA C. UTOATAA D. KKATAOLA E. None of these

2. In a certain code CARTOON is written as OPPUSBD, then in same code TEACHER is written as.

A. HWUADBB B. SFIDBFU C. SFIABFU D. HWUABEE 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. In a certain code LEAF is written as 12516 then in the same code how ROSE will be written.

A. 1815195 B. 1915195 C. 1716195 D. 2019195 E. None of these

5. In a certain code HOME is written as “12$7” and HORN is written as “12@5”, than how will ROME will be written.

A. @2$7 B. 2$@5 C. 72$1 D. @1$7 E. None of these

Answers and Explanations
1. Answer - Option A
Explanation -
Word is written twice and then pick the even position character.
KOLKATAKOLKATA (pick all even position character)
2. Answer - Option B
Explanation -
First reverse the word and then add +1
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 A
Explanation -
Corresponding numbers are written for each character.
R = 18, O = 15, S= 19, E = 5
5. Answer - Option A
Explanation -
HOME = 1 2 $ 7 and HORN = 1 2 @ 5 so ROME = @2$7