Question

A drone technician is programming a flight controller. He notices that three-fifths of the square of a certain safety distance value used in the code equals 126.15. He needs to determine the original safety distance to update the firmware correctly. What is that number?

Asked in Delhi Police Head Constable (Ministerial), 2025 · 2025
Square and Square Root · Quantitative Aptitude
Exam PYQ4 Options
Quantitative AptitudeNumber SystemSquare and Square RootDelhi Police Head Constable (Ministerial), 20252025
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Quick Revision

For decimal square roots, first remove the decimal by converting the number into a suitable fraction or by grouping decimal places in pairs.

Correct AnswerCorrect option for this question
Option A — 14.5

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Questions Asked from Square and Square Root in Previous Exams

See how often Square and Square Root has appeared in previous-year questions across major government exams.

High Exam Frequency
14UPSC Questions Asked in These Years:2010, 2011, 2013, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2026
11SSC Questions Asked in These Years:2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026
7Railways Questions Asked in These Years:2018, 2020, 2021, 2022, 2024, 2025, 2026
10State PSC Questions Asked in These Years:2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025
Square and Square Root has appeared in 42 previous-year exam questions, most frequently in UPSC, SSC and State PSC.
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