BSF Water Wing (Group B & C) | Written Examination (HC / Constable paper)

BSF Water Wing: 16-question practice mock

A compact BSF Water Wing HC/Constable written-exam practice mock: 16 original questions across General Knowledge, Reasoning and Numerical Ability (35-35-30 pattern), each with a worked solution. No negative marking.

Before you start

16 questions in 20 minutes on a single clock — a short drill, not the full 100-question paper.
Each question carries one mark; there is no negative marking, matching the Water Wing Direct Entry Exam 2024 pattern for HC and Constable (Crew) posts.
Every question is original, written to the BSF Water Wing pattern, with a worked solution shown after you submit.

Sections in this test

Section	Questions
General Knowledge and AwarenessGeneral Awareness	6
Reasoning AbilityGeneral Intelligence & Reasoning	6
Numerical AbilityMathematics	4

Sample questions with worked solutions

A few questions from this test, with the answer key and the method behind it. The full set of 16 runs under a timer, and every solution is on the analysis screen once you submit.

General Awareness · solved example

Which Indian river delta is among the largest in the world and drains into the Bay of Bengal?

Ganga-Brahmaputra deltaCorrect
Narmada delta
Mahi delta
Sabarmati delta

Solution

The Ganga-Brahmaputra delta — also called the Sundarbans delta — is one of the world's largest river deltas, formed where the Ganga, Brahmaputra and Meghna rivers meet the Bay of Bengal.

General Intelligence & Reasoning · solved example

Find the next term: 5, 11, 23, 47, ?

95Correct
94
96
91

Solution

Each term is double the previous plus one: 5×2+1=11, 11×2+1=23, 23×2+1=47, and 47×2+1=95.

Mathematics · solved example

A patrol boat consumes 40 litres of fuel. If 15% is reserve and cannot be used, how many litres are available for the patrol?

34 litresCorrect
30 litres
36 litres
32 litres

Solution

Reserve = 15% of 40 = 6 litres. Available = 40 − 6 = 34 litres.

General Awareness · solved example

The BSF Water Wing primarily supports border security on which type of terrain?

Inland rivers and waterwaysCorrect
High-altitude glaciers only
Desert sand dunes only
Submarine patrol zones

Solution

The BSF Water Wing operates on rivers and inland waterways — especially along India's eastern borders — to patrol, transport troops and support surveillance where land access is limited.

General Awareness · solved example

Under which List of the Seventh Schedule can the Union Parliament make laws on shipping and navigation on inland waterways?

Union ListCorrect
State List only
Concurrent List only
Residuary List only

Solution

Shipping and navigation on inland waterways fall under subjects on which Parliament has exclusive power to legislate — the Union List — though states may regulate certain local aspects.

How this test is marked

Correct answer

Wrong answer

-0

Unanswered

Because a blank carries no penalty, guessing only pays when you can eliminate at least two options. The analysis screen after the test shows you exactly where guessing cost you marks.