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Defence | Coast Guard Navik (GD)

Quantitative Aptitude for Coast Guard Navik (GD)

Coast Guard Navik (GD) sets 40 Quantitative Aptitude questions for 40 marks across 2 stages, so it is worth planning your preparation around the topics below.

40 questions40 marks4 topics

How to approach Quantitative Aptitude in Coast Guard Navik (GD)

Speed decides this section. The arithmetic and data-interpretation sets are where the marks are, so the priority is a reliable method and quick calculation rather than exotic shortcuts. Lock down tables, squares and reciprocals, then drill data interpretation until reading the set is faster than solving it.

Weightage in the paper

How much Quantitative Aptitude is worth in each Coast Guard Navik (GD) stage, from the official pattern.

StageQuestionsMarksTimeShare
Stage I — Computer Based Test1515—14%
Stage I — Computer Based Test2525—23%

Quantitative Aptitude syllabus for Coast Guard Navik (GD)

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

  • Number system, HCF and LCM, simplification
  • Percentage, ratio, average, interest, profit and loss
  • Time, speed, distance and work
  • Mensuration, trigonometry and coordinate geometry (Class 12 for Section II)

Sample Quantitative Aptitude questions with solutions

Written to the Coast Guard Navik (GD) 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.

Simplification · solved example

Solve: 14 + 10 × 7

  • 68
  • 74
  • 100
  • 84Correct
  • 94

Solution

By BODMAS, multiply first: 10 × 7 = 70, then 14 + 70 = 84.

Boats and streams · solved example

The speed of a boat in still water is 10 km/h and the speed of the stream is 2 km/h. How long will the boat take to go 36 km downstream?

  • 2.5
  • 3.0Correct
  • 3.5
  • 4.0
  • 4.5

Solution

Downstream the stream helps, so the effective speed is 10 + 2 = 12 km/h. The time for 36 km is 36 / 12 = 3 hours. Add the stream speed going downstream and subtract it going up.

Mensuration · solved example

A rectangle is 23 cm by 8 cm. Find its perimeter in cm.

  • 50
  • 64
  • 74
  • 60
  • 62Correct

Solution

Perimeter = 2(l+b) = 2(23+8) = 62 cm.

Time and work · solved example

A can do a piece of work in 12 days and B in 6 days. Working together, in how many days will they finish it?

  • 4Correct
  • 5
  • 3
  • 6

Solution

In one day A does 1/12 and B does 1/6 = 2/12, together 3/12 = 1/4 of the work, so they finish in 4 days.

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Practise Quantitative Aptitude

Untimed drills with the method shown after every question — the step between learning a topic and sitting it under a clock.

Sit Quantitative Aptitude under a real clock

Quantitative Aptitude shows up in every Coast Guard Navik (GD) mock test, in the same interface, with sectional locking and negative marking.

  • Coast Guard Navik (GD): 30-question practice mock

    30 questions | 30 min

    Start

  • Coast Guard Navik (GD): full-length mock (110 questions)

    110 questions | 1 hr 50 min

    Start

Frequently asked questions

How many Quantitative Aptitude questions are asked in Coast Guard Navik (GD)?

Coast Guard Navik (GD) CGEPT 2026 sets 40 Quantitative Aptitude questions for 40 marks, split across 15 in the Stage I — Computer Based Test and 25 in the Stage I — Computer Based Test.

Is there negative marking for Quantitative Aptitude in Coast Guard Navik (GD)?

No. The Coast Guard Navik (GD) written stage carries no negative marking, so it is worth attempting every Quantitative Aptitude question you can.

Which Quantitative Aptitude topics matter most for Coast Guard Navik (GD)?

The Coast Guard Navik (GD) syllabus lists Number system, HCF and LCM, simplification, Percentage, ratio, average, interest, profit and loss, Time, speed, distance and work, Mensuration, trigonometry and coordinate geometry (Class 12 for Section II). 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 Quantitative Aptitude for Coast Guard Navik (GD) free?

Every Quantitative Aptitude 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 Coast Guard Navik (GD) mock tests to sit it under a real clock with negative marking.