Question
Two numbers are in the ratio of 2 : 5. If the Highest Common Factor of the numbers is 11, then the sum of the numbers will be _____.
Asked in SSC GD Constable · 2026
LCM and HCF · Quantitative Aptitude
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When the numbers contain large common multiples, first factor out the obvious common factor to reduce the calculation before finding the final HCF.
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Questions Asked from HCF: Prime Factorisation & Euclidean Algorithm in Previous Exams
See how often HCF: Prime Factorisation & Euclidean Algorithm has appeared in previous-year questions across major government exams.
15UPSC Questions Asked in These Years:2010, 2011, 2012, 2013, 2014, 2015, 2016, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2026
9SSC Questions Asked in These Years:2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026
8Railways Questions Asked in These Years:2016, 2018, 2021, 2022, 2023, 2024, 2025, 2026
15State PSC Questions Asked in These Years:2002, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025
HCF: Prime Factorisation & Euclidean Algorithm has appeared in 47 previous-year exam questions, most frequently in UPSC, State PSC and SSC.
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