Directions:(1-5) **Find the wrong term in the series given below.**

1. 151, 127, 105, 85, 63, 51

**Ans:3****The pattern is as follows:**
**12**^{2} + 7 = 151

**11**^{2} + 6 = 127

**10**^{2} + 5 = 105

**9**^{2} + 4 = 85

**8**^{2} + 3 = 67

**7**^{2} + 2 = 51

2. 3, 18, 54, 105, 173, 258

**Ans:5****The pattern is as follows:**
**3 + 17 x 1 = 20**

**20 + 17 x 2 = 54**

**54 + 17 x 3 = 105**

**105 + 17 x 4 = 173**

**173 + 17 x 5 = 258**

3. 338, 210, 118, 56, 10, -2

**Ans:2****The pattern is as follows:**
**7**^{3} – 5 = 338

**6**^{3} – 6 = 210

**5**^{3} – 7 = 118

**4**^{3} – 8 = 56

**3**^{3} – 9 = 18

**2**^{3} – 10 = -2

4. 58, 74, 94, 112, 134

**Ans:5****The pattern is as follows:**
**6 x 8 + 10 = 58**

**7 x 9 + 11 = 74**

**8 x 10 + 12 = 92**

**9 x 11 + 13 = 112**

**10 x 12 + 14 = 134**

5. 6, 9, 15, 21, 36, 39

**Ans:3****The pattern is 3 being multipled by consecutive prime numbers:**
**3 x 2 = 6**

**3 x 3 = 9**

**3 x 5 = 15**

**3 x 7 = 21**

**3 x 11 = 33**

**3 x 13 = 39**

Directions:(6-10) **Find the next term in the series.**

6. 32.0, 80.0, 280.0, 1260.0, 6930.0, ?

**Ans:3****The pattern is as follows:**
**32 x 2.5 = 80.0**

**80 x 3.5 = 280.0**

**280 x 4.5 = 1260.0**

**1260 x 5.5 = 6930.0**

**6930 x 6.5 = 45045.0**

7. 406, 626, 896, 1216, 1586, ?

**Ans:1****The pattern is as follows:**
**19**^{2} + 45 = 406

**24**^{2} + 50 = 626

**29**^{2} + 55 = 896

**34**^{2} + 60 = 1216

**39**^{2} + 65 = 1586

**44**^{2} + 70 = 2006

8. 22, 33, 46, 61, 78, ?

**Ans:2****The pattern is as follows:**
**7 x 3 + 1 = 22**

**8 x 4 + 1 = 33**

**9 x 5 + 1 = 46**

**10 x 6 + 1 = 61**

**11 x 7 + 1 = 78**

**12 x 8 + 1 = 97**

9. 262144, 32768, 4096, 512, 64, ?

**Ans:4****The pattern is as follows:**
**262144/8 = 32768**

**32768/8 = 4096**

**4096/8 = 512**

**512/8 = 64**

**64/8 = 8**

10. 133, 144, 153, 160, 165, ?

**Ans:1****The pattern is as follows:**
**19 x 7 = 133**

**18 x 8 = 144**

**17 x 9 = 153**

**16 x 10 = 160**

**15 x 11 = 165**

**14 x 12 = 168**

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Preeti YadavExam