CivilsIASPrep.comUPSC PYQs: Number System
Review complete published questions grouped by topic: Number System.
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- Acid Rain3 published questions
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- Reading Comprehension143 published questions
- REDD+2 published questions
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- Smart Cities and Smart Villages2 published questions
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- Syllogism11 published questions
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- Technology, Space & Applied Science13 published questions
- Temple architecture4 published questions
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- Union Budget2 published questions
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- Units & volume2 published questions
- Units digit2 published questions
- UPSC Prelims 2015 GS Paper I100 published questions
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- Vikramarjuna Vijaya2 published questions
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- Wetlands2 published questions
- Wildlife Protection2 published questions
- Women Empowerment2 published questions
- Women in Freedom Struggle2 published questions
- Workplace Harassment Case Study2 published questions
- World Physical Geography2 published questions
Questions
- While writing every integer from 1 through 1000, how many times does the digit 5 occur?2019 · Prelims CSAT · CSAT · Number System
- A two-digit number divided by the number formed by reversing its digits equals 4/7. How many valid two-digit number/reversal pairs satisfy this?2019 · Prelims CSAT · CSAT · Number System
- If ABC × DEED = ABCABC, where A, B, C, D and E are different digits, what are D and E?2015 · Prelims CSAT · CSAT · Number System