Question

What should I add with 0.1 x 3000 to get an amount equal to Rs. 300?

Asked in MP Excise Constable · 2025
Quick Math · Quantitative Aptitude
Exam PYQ4 Options
Quantitative AptitudeNumber SystemQuick MathMP Excise Constable2025
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Multiplication by 5 can be done by multiplying by 10 and dividing by 2.

Correct AnswerCorrect option for this question
Option C — Rs. 0

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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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