BPSC Prelims

2024

General

Bihar Special 14

All Questions 14 Agriculture 5 Culture 1 Economy 1 Education 1 Geography 2 History 2 Polity 2

Current Affairs 13

All Questions 13 Awards 2 Culture 1 Environment 1 International 4 Reports 1 Sports 3 Summits 1

Economy 12

All Questions 12 Agriculture 2 Banking 2 Corporate 1 Demography 2 Fiscal Policy 1 Globalization 1 National Income 1 Planning 1 Taxation 1

Environment 1

All Questions 1 Energy 1

General Awareness 2

All Questions 2 Personalities 1 Sports 1

General Science 27

All Questions 27 Biology 11 Chemistry 8 Physics 8

Geography 18

All Questions 18 Culture 1 India 5 Industry 1 Physical 3 Rivers 2 World 6

History 35

All Questions 35 Ancient 6 Bihar Special 1 Medieval 3 Modern 24 World History 1

Mental Ability 9

All Questions 9 Analogy 1 Blood Relations 1 Calendar 1 Clocks 1 Direction 1 Geometry 1 Ranking 1 Series 1 Venn Diagram 1

Polity 13

All Questions 13 Amendment 2 Constitution 1 Constitutional Bodies 1 Emergency 1 Federalism 1 Fundamental Rights 1 Judiciary 1 Panchayati Raj 1 Parliament 2 President 1 Schedules 1

Science & Tech 6

All Questions 6 Chemistry 1 Digital 1 Energy 1 Robotics 1 Space 2

Mental Ability

Series

EN हिंदी

✕

BPSC Prelims 2024 General 📅 04 Jan, 2025

What should come in place of ? in the following series ? 117, 98, 80, 64, ?, 42

A

51

B

55

C

46

D

48

Result Summary

APEDIA

BPSC Prelims

2024 • 04 Jan, 2025 • General

What should come in place of ? in the following series ? 117, 98, 80, 64, ?, 42

Correct Answer

51

• **Difference Check:** - 117 - 98 = 19 - 98 - 80 = 18 - 80 - 64 = 16 • **Secondary Difference:** The gap increases by 1, 2, 3... - Next gap sh......

💡 Analysis & Explanation

• **Difference Check ▼

**
- 117 - 98 = 19
- 98 - 80 = 18
- 80 - 64 = 16

• **Secondary Difference ▼

** The gap increases by 1, 2, 3...
- Next gap should be 16 - 3 = 13.

• **Calculation ▼

** 64 - 13 = 51. (Check: 51 - 9 = 42).