Question
The sum of two numbers is 60 and their HCF and LCM are 12 and 72 respectively. Then find the sum of the reciprocals of the two numbers.
Asked in RRB Group D · 2025
LCM and HCF · Quantitative Aptitude
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Prime factorization finds HCF by taking common prime factors with their smallest powers.
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Questions Asked from HCF & LCM Word Problems in Previous Exams
See how often HCF & LCM Word Problems has appeared in previous-year questions across major government exams.
12UPSC Questions Asked in These Years:2010, 2011, 2013, 2014, 2016, 2017, 2020, 2021, 2022, 2023, 2024, 2026
9SSC Questions Asked in These Years:2016, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026
8Railways Questions Asked in These Years:2016, 2018, 2020, 2021, 2022, 2024, 2025, 2026
11State PSC Questions Asked in These Years:2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025
HCF & LCM Word Problems has appeared in 40 previous-year exam questions, most frequently in UPSC, State PSC and SSC.
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