Exam preparation workspace
CDS Articles & Updates
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 ₹9 per quiz — or all at once for up to 30% less
10 questions · instant score · no card
Students preparing for CDS
View all Formula of the day
Maths · Probability · 9 formulae in the cheatsheet
Trap of the day
CDS Elementary Maths rewards speed on basics — percentages, ratio, mensuration, time-work. Don’t over-invest in one hard sum.
