Question

9 identical cartons together weigh 72 kg. How many cartons of the same type would be needed to make up a total 168 kg?

Asked in RRB JE CBT 1 · 2025
Quick Math · Quantitative Aptitude
Exam PYQ4 Options
Quantitative AptitudeNumber SystemQuick MathRRB JE CBT 12025
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Option A — 21

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Learn how to find the square root of perfect squares quickly by identifying the last digit and using the first part of the number. These shortcuts are useful for finding square roots without lengthy calculations.

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Questions Asked from Square Root Tricks in Previous Exams

See how often Square Root Tricks 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 Root Tricks has appeared in 42 previous-year exam questions, most frequently in UPSC, SSC and State PSC.
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