Defence | BSF Constable (Tradesman)

General Intelligence & Reasoning for BSF Constable (Tradesman)

BSF Constable (Tradesman) sets 25 General Intelligence & Reasoning questions for 25 marks in the Written Examination, so it is worth planning your preparation around the topics below.

25 questions25 marks5 topics

How to approach General Intelligence & Reasoning in BSF Constable (Tradesman)

The non-verbal and analytical reasoning that SSC and railway papers lean on: series, analogy, classification, coding and the figure-based questions. It rewards pattern recognition built through volume, so the return on drilling a lot of questions is unusually high here.

Weightage in the paper

How much General Intelligence & Reasoning is worth in each BSF Constable (Tradesman) stage, from the official pattern.

Stage	Questions	Marks	Time	Share
Written Examination	25	25	—	25%

General Intelligence & Reasoning syllabus for BSF Constable (Tradesman)

Every topic in the official syllabus. The linked ones open a set of solved questions you can practise straight away.

Coding-decoding and number or letter series
Blood relations and directions
Analytical reasoning and puzzles
Classification and pattern recognition
Non-verbal and verbal reasoning at matriculation level

Sample General Intelligence & Reasoning questions with solutions

Written to the BSF Constable (Tradesman) pattern, with the answer key and the method behind it — a look at how the section is actually set before you drill the full topic sets.

Number series · solved example

Find the next term: 3, 7, 15, 31, ?

63Correct
62
47
55

Solution

Each term is double the previous plus one: 3×2+1=7, 7×2+1=15, 15×2+1=31, and 31×2+1=63.

Blood relations · solved example

A is the father of B. B is the father of C. How is A related to C?

GrandfatherCorrect
Father
Uncle
Brother

Solution

A is B's father and B is C's father, so A is C's grandfather (father's father).

Direction sense · solved example

A person walks 10 km north, then 10 km east. How far is the person from the starting point?

14.14 kmCorrect
20 km
10 km
15 km

Solution

The path forms a right triangle with legs 10 km and 10 km. Distance from start = √(10²+10²) = 10√2 ≈ 14.14 km.

Coding-decoding · solved example

If 'FORCE' is coded as 'GPUDF', how is 'GUARD' coded using the same pattern?

HVBSECorrect
HUBSE
HVBRE
GUBSE

Solution

Each letter moves one place forward: G→H, U→V, A→B, R→S, D→E. So GUARD becomes HVBSE.

Sit General Intelligence & Reasoning under a real clock

General Intelligence & Reasoning shows up in every BSF Constable (Tradesman) mock test, in the same interface, with sectional locking and negative marking.

BSF Constable (Tradesman): 16-question practice mock
16 questions | 20 min
Start

Frequently asked questions

How many General Intelligence & Reasoning questions are asked in BSF Constable (Tradesman)?

BSF Constable (Tradesman) 2024-25 cycle sets 25 General Intelligence & Reasoning questions for 25 marks in the Written Examination.

Is there negative marking for General Intelligence & Reasoning in BSF Constable (Tradesman)?

No. The BSF Constable (Tradesman) written stage carries no negative marking, so it is worth attempting every General Intelligence & Reasoning question you can.

Which General Intelligence & Reasoning topics matter most for BSF Constable (Tradesman)?

The BSF Constable (Tradesman) syllabus lists Coding-decoding and number or letter series, Blood relations and directions, Analytical reasoning and puzzles, Classification and pattern recognition, Non-verbal and verbal reasoning at matriculation level. Weight your revision towards the ones you are weakest on and confirm the emphasis against the paper analysis for recent cycles.

How can I practise General Intelligence & Reasoning for BSF Constable (Tradesman) free?

Every General Intelligence & Reasoning question on this site is free and written to the exam pattern. Use the topic drills for instant-feedback practice, the daily quiz to keep the section warm, and the BSF Constable (Tradesman) mock tests to sit it under a real clock with negative marking.