Question

The cost of a washing machine is 25% less than the cost of a TV. If the cost of the washing machine increases by 75% and that of the TV decreases by 49%, then what is the percentage change in the total cost of 6 washing machines and 3 TVs?

Asked in RRB Group D · 2026
Successive Percentage Change · Quantitative Aptitude
Exam PYQ4 Options
Quantitative AptitudeProfit and LossSuccessive Percentage ChangeRRB Group D2026
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Do not add profit percentages directly because each seller has a different cost base.

Correct AnswerCorrect option for this question
Option C — Increase by 25.4%

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Questions Asked from Profit and Loss in Previous Exams

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

High Exam Frequency
59UPSC Questions Asked in These Years:2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2026
39SSC Questions Asked in These Years:2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026
32Railways Questions Asked in These Years:2016, 2018, 2020, 2021, 2022, 2023, 2024, 2025, 2026
55State PSC Questions Asked in These Years:2002, 2004, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025
Profit and Loss has appeared in 185 previous-year exam questions, most frequently in UPSC, State PSC and SSC.
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