Question

The population of a town increased by 25% in the first year, then decreased by 20% in the second year and again increased by 10% in the third year. If the initial population was 50,000; find the population after 3 years.

Asked in RRB ALP CBT-I · 2026
Population Growth · Quantitative Aptitude
Exam PYQ4 Options
Quantitative AptitudePercentagePopulation GrowthDifferent RateRRB ALP CBT-I2026
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When population changes at different rates in successive years, apply each percentage change one after another.

Correct AnswerCorrect option for this question
Option B — 55000

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Questions Asked from Percentage in Previous Exams

See how often Percentage has appeared in previous-year questions across major government exams.

High Exam Frequency
43UPSC Questions Asked in These Years:2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2026
29SSC Questions Asked in These Years:2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026
23Railways Questions Asked in These Years:2016, 2018, 2020, 2021, 2022, 2023, 2024, 2025, 2026
42State PSC Questions Asked in These Years:2002, 2004, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025
Percentage has appeared in 137 previous-year exam questions, most frequently in UPSC, State PSC and SSC.
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