Solved UPSC CDS/OTA Question
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Q · Number systemHard · 45s
What are the last two digits of 97^5?
TopicNumber system
Question Typemultiple choice
DifficultyHard
Marking+1 / −0.33
Test Duration30 min
Step-by-Step Solution
The complete worked solution.
Every step explained — no skipped algebra.
Solve step-by-step using number system concepts. What are the last two digits of 97^5? → 57
Final Answer: Option C — 57