Odisha Police Constable 2026–27 Arithmetic & Reasoning (Odia)

Quantitative aptitude and reasoning for the OUSSSC Combined Uniformed Services (Below Graduate Level) Examination 2026, taught step by step in Odia — 456 questions, every answer explained, the arithmetic computed by program.

ଓଡ଼ିଶା ପୋଲିସ କନଷ୍ଟେବଳ 2026–27 ସାଧାରଣ ଲିଖିତ ପରୀକ୍ଷାର ଗଣିତ, ମୌଖିକ ଯୁକ୍ତି ଓ ଚିତ୍ର ଯୁକ୍ତି — ସୂତ୍ର, ସହଜ ପଦ୍ଧତି, ସମାଧାନ ସହ ଉଦାହରଣ ଓ ବ୍ୟାଖ୍ୟା ସହ ଅଭ୍ୟାସ ପ୍ରଶ୍ନ, ଓଡ଼ିଆରେ।

Part I — arithmetic, 12 chapters: number system; simplification, decimals and fractions; HCF and LCM; percentage; ratio, proportion and ages; average; profit, loss and discount; simple and compound interest; time and work; time, speed and distance; mensuration; data interpretation from tables. Part II — verbal reasoning, 8 chapters: analogy, classification, series, coding-decoding, blood relations, direction sense, order and ranking, calendar and clock. Part III — non-verbal reasoning, 4 chapters with drawn figures: pattern recognition and counting, figure analogy, figure classification, mirror and water images. Part IV — two 40-question mixed tests.

Key terms appear in English in brackets, as in the bilingual question paper. Every note and question was written for this book; no question paper is reproduced. An independent study aid — not a publication of OUSSSC, Odisha Police or the Government of Odisha.

Contents

• ଆରମ୍ଭ (Getting Started)
• ଏହି ପୁସ୍ତକ କିପରି ବ୍ୟବହାର କରିବେ (How to Use This Book)
• ଭାଗ I — ଗଣିତ (Part I – Arithmetic)
• 1. ସଂଖ୍ୟା ପଦ୍ଧତି (Number System)
• 2. ସରଳୀକରଣ, ଦଶମିକ ଓ ଭଗ୍ନାଂଶ (Simplification, Decimals & Fractions)
• 3. ଗ.ସା.ଗୁ. ଓ ଲ.ସା.ଗୁ. (HCF & LCM)
• 4. ଶତକଡ଼ା (Percentage)
• 5. ଅନୁପାତ, ସମାନୁପାତ ଓ ବୟସ (Ratio, Proportion & Ages)
• 6. ହାରାହାରି (Average)
• 7. ଲାଭ, କ୍ଷତି ଓ ରିହାତି (Profit, Loss & Discount)
• 8. ସରଳ ସୁଧ ଓ ଚକ୍ରବୃଦ୍ଧି ସୁଧ (Simple & Compound Interest)
• 9. ସମୟ ଓ କାର୍ଯ୍ୟ (Time & Work)
• 10. ସମୟ, ବେଗ ଓ ଦୂରତା (Time, Speed & Distance)
• 11. କ୍ଷେତ୍ରମିତି (Mensuration)
• 12. ତଥ୍ୟ ବିଶ୍ଳେଷଣ (Data Interpretation)
• ଭାଗ II — ମୌଖିକ ଯୁକ୍ତି (Part II – Verbal Reasoning)
• 13. ସାଦୃଶ୍ୟ (Analogy)
• 14. ବର୍ଗୀକରଣ (Classification)
• 15. ଶ୍ରେଣୀ (Series)
• 16. ସାଙ୍କେତିକ ଲିଖନ ଓ ପଠନ (Coding-Decoding)
• 17. ରକ୍ତ ସମ୍ପର୍କ (Blood Relations)
• 18. ଦିଗ ନିର୍ଣ୍ଣୟ (Direction Sense)
• 19. କ୍ରମ ଓ ସ୍ଥାନ ନିର୍ଣ୍ଣୟ (Order & Ranking)
• 20. ପଞ୍ଜିକା ଓ ଘଡ଼ି (Calendar & Clock)
• ଭାଗ III — ଅଣ-ମୌଖିକ ଯୁକ୍ତି (Part III – Non-verbal Reasoning)
• 21. ଢାଞ୍ଚା ଚିହ୍ନଟ ଓ ଚିତ୍ର ଗଣନା (Pattern Recognition & Counting)
• 22. ଚିତ୍ର ସାଦୃଶ୍ୟ (Figure Analogy)
• 23. ଚିତ୍ର ବର୍ଗୀକରଣ (Figure Classification)
• 24. ଦର୍ପଣ ଓ ଜଳ ପ୍ରତିବିମ୍ବ (Mirror & Water Images)
• ଭାଗ IV — ମିଶ୍ରିତ ଅଭ୍ୟାସ (Part IV – Mixed Practice)
• 25. ମିଶ୍ରିତ ଅଭ୍ୟାସ ପରୀକ୍ଷା 1 (Mixed Practice Test 1)
• 26. ମିଶ୍ରିତ ଅଭ୍ୟାସ ପରୀକ୍ଷା 2 (Mixed Practice Test 2)