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CDS

Combined Defence Services (CDS) Examination is conducted by UPSC twice a year to select officers for the Indian Military Academy (IMA), Indian Naval Academy (INA), Air Force Academy (AFA), and Officers Training Academy (OTA). Candidates undergo service-specific training and are commissioned as officers in the Indian Armed Forces.

1 quiz attempt so far Dual AI-verified 1 free quiz, then ₹19 per quiz — or all at once for up to 30% less Plans from ₹99/month
10 questions · instant score · no card

Students preparing for CDS

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Formula of the day
Maths · Progressions · 9 formulae in the cheatsheet
Trap of the day
sin²θ means (sinθ)², not sin(θ²) — a notation trap that changes the value.

1 students have taken CDS practice quizzes across 3 quizzes — with top scores up to 100%. Free, with instant scoring, a live leaderboard and AI analysis.

Quizzes

10 questions · ~10 minutes · instant rank & AI diagnosis

Dual AI-verified questions Real exam pattern 1 free quiz every month, then ₹19 per quiz — or a monthly plan

1 attempts
#1

Error Spotting in Sentences Advanced Challenge | CDS

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10 Qs · ~10 min

Instant score, answer review and weak-topic diagnosis

10/10avg score
10/10best
#2

Indian Constitution Fundamental Rights Fundamentals | CDS

10 Qs · ~10 min

Instant score, answer review and weak-topic diagnosis

#3

Synonyms and Antonyms Usage Fundamentals — Free CDS Quiz

10 Qs · ~10 min

Instant score, answer review and weak-topic diagnosis