**Question 1:**

**15, 43, 83, 137, 207, ?**

**Options-**

**1. 295**

**2. 304**

**3. 259**

**4. 502**

**Answer: **

**295**

**Solution:**

**Logic is:**

**43-15=28**

**83-43=40**

**137-83=54**

**207-137=70**

**Now, 40-28=12**

**54-40=14**

**70-54=16**

**So difference of difference is in the form-:12, 14, 16,……**

**So, missing number=207+70+18=295**

**Question 2:**

**4, 13, 41, 126, 382, ?**

**Options-**

**1. 1196**

**2. 1151**

**3. 1362**

**4. 1147**

**Answer: **

**1151**

**Solution:**

**Logic is:**

**4×3+1=13**

**13×3+2=41**

**41×3+3=126**

**126×3+4=382**

**382×3+5=1151**

**Question 3:**

**BRV, FVZ, JZD, ?**

**Options-**

**1. BLP**

**2. SRE**

**3. NDH**

**4. WQA**

**Answer: **

**NDH**

**Solution:**

**Logic is:**

**Question 4:**

**A7F, E15J, I23N, ?**

**Options-**

**1. P29O**

**2. L41P**

**3. M31R**

**4. Q38T**

**Answer: **

**M31R**

**Solution:**

**Logic is:**

**Question 5:**

**43, 45, 42, 46, 41, 47, ?**

**Options-**

**1. 50**

**2. 58**

**3. 40**

**4. 65**

**Answer: **

**40**

**Solution:**

**Logic is:**

**Given series consists of two series.**

**Complete series is:**

**43, 45, 42, 46, 41, 47, 40**

**Series 1: 43, 42, 41, 40**

**Logic:**

**43-1=42**

**42-1=41**

**41-1=40**

**Series 2: 45, 46, 47**

**Logic:**

**45+1=46**

**46+1=47**

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