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RRB Group D - Mathematics PYQ Quiz 178

10 PYQ questions from RRB Group D - Mathematics

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About This Quiz

10 PYQ questions from RRB Group D - Mathematics RRB Group D - Mathematics PYQ Quiz 178 is a free, 10-minute, 10-mark practice quiz on AajExam rated at medium difficulty, designed to help candidates preparing for SSC, UPSC, Banking, Railway and State PSC government competitive exams sharpen their command of Mathematics (Mathematics). Every question on this quiz ships with a detailed step-by-step solution so you don't just learn the right answer — you learn the reasoning and shortcuts top scorers use to crack similar questions faster on the actual exam day. Why RRB Group D - Mathematics PYQ Quiz 178 matters in your preparation: government exam-conducting bodies repeatedly draw questions from the same chapters and the same skill-clusters across recruitment cycles. By attempting focused topic-wise quizzes like this one, you build pattern recognition — the ability to spot which formula, rule or trick applies the moment you see a question. Toppers consistently report that 5-10 quizzes on a single topic delivers more exam-day score gain than 20+ unfocused full-length mocks, because targeted drilling exposes your specific sub-topic weaknesses with surgical precision. How to use this quiz effectively: attempt it in one sitting under the 10-minute timer, without referring to notes or external resources — simulate exam-day conditions exactly. After submission, review the auto-generated analytics to see your accuracy, time per question and section-wise performance. Then go through every wrong and skipped question with the explanation, mentally tagging the underlying concept rather than just memorising the answer. Revisit this quiz after 7-10 days; your second attempt should be 15-20% faster with noticeably better accuracy. After mastering this quiz, explore the 6 related quizzes linked below to broaden your topic coverage. AajExam quiz design principles: every quiz on the platform is curated by subject experts using the actual question formats, difficulty distributions and time pressures of the target government exams. We deliberately avoid generic "textbook" questions in favour of exam-replicating ones. Solutions are written in plain English (and Hindi where source material was bilingual), with step-by-step working for quantitative problems, grammar rules for English questions, and direct reference statements for general awareness items. Performance analytics after each attempt include accuracy, attempt rate, time spent per question, and an estimated all-India percentile so you know exactly where you stand against other candidates. This quiz is completely free to attempt. You only need a free AajExam account to track your performance across attempts, view detailed solutions and unlock the platform-wide analytics dashboard. The platform is mobile-friendly and works seamlessly on smartphones, tablets and desktops — so you can sharpen your Mathematics (Mathematics) skills in any spare 15-minute window.

This is one set from a larger bank. See all RRB Group D Mathematics previous year questions.

RRB Group D - Mathematics PYQ Quiz 178 — Questions with Solutions

All 10 questions from this quiz with the correct answer and explanation. Attempt them yourself first, then open each solution to check your reasoning.

  1. Q1.Arun and Manish can do a piece of work in 15 days. Manish and Tarun can do the same work in 12 days and Tarun and Arun can do it in 10 days. Find the time taken by Arun alone to complete the same work.

    • A.18 days
    • B.22 days
    • C.25 days
    • D.24 days
    Show answer

    Answer: D. 24 days

  2. Q2.If x − y = 3 and xy = 18, what is x2 − y2?

    • A.22
    • B.25
    • C.27
    • D.20
    Show answer

    Answer: C. 27

  3. Q3.If the cost of painting the whole surface area of a cubical structure, at the rate of 23 paise per cm2, is ₹1,006.02, then find the volume of the cubical structure (in cm3).

    • A.19,691
    • B.19,683
    • C.19,676
    • D.19,688
    Show answer

    Answer: B. 19,683

  4. Q4.Two trains are running in opposite directions at the same speed. If the length of each train is 968 m and they cross each other in 22 seconds, then what is the speed of each train?

    • A.48 m/s
    • B.44 m/s
    • C.38 m/s
    • D.35 m/s
    Show answer

    Answer: B. 44 m/s

  5. Q5.Which of the following numbers is divisible by 3?

    • A.245
    • B.123
    • C.557
    • D.781
    Show answer

    Answer: B. 123

  6. Q6.The arithmetic mean of the observations 42, 29, 42, 58, 18, 39, 41, 79 and 93 is:

    • A.58
    • B.46
    • C.49
    • D.47
    Show answer

    Answer: C. 49

  7. Q7.P and Q together can fill a cistern with water in 12 hours. If P alone can fill the cistern with water in 30 hours, then in how many hours will Q alone fill one-fourth of the same cistern with water?

    • A.10
    • B.6
    • C.11
    • D.5
    Show answer

    Answer: D. 5

  8. Q8.The price of fuel decreases by 30%, 25% and 45% in three successive months, but increases by 45% in the fourth month. What is the percentage increase/decrease in the price of fuel in the fourth month as compared to its original price? (Round off the answer to two decimal places.)

    • A.Decreases by 57.65%
    • B.Increases by 64.88%
    • C.Decreases by 58.13%
    • D.Increases by 59.54% Section : General Intelligence and Reasoning
    Show answer

    Answer: C. Decreases by 58.13%

  9. Q9.Preeti, Qadir and Reena invest sum in the ratio 2 : 8 : 13, respectively. If they earned total profit of ₹87,193 at the end of year, then what is the positive difference between share of Preeti and Reena?

    • A.₹41,703
    • B.₹41,701
    • C.₹41,702
    • D.₹41,704
    Show answer

    Answer: B. ₹41,701

  10. Q10.The mode of the observations 21, 32, 34, 34, 34, 20, 32, 24, 34, 34, 20, 25, 29, 26 and 20 is:

    • A.20
    • B.21
    • C.32
    • D.34
    Show answer

    Answer: D. 34

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Frequently Asked Questions

Is RRB Group D - Mathematics PYQ Quiz 178 free to attempt on AajExam?

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RRB Group D - Mathematics PYQ Quiz 178 runs on a 10-minute timer in real exam-style conditions. The clock starts the moment you click Start, mirroring the time pressure of the actual exam.

Are detailed solutions provided?

Yes. Every question on RRB Group D - Mathematics PYQ Quiz 178 ships with a complete step-by-step solution, the underlying concept, and (where applicable) shortcut tricks. You can also discuss any question with the AajExam community.

Can I attempt RRB Group D - Mathematics PYQ Quiz 178 multiple times?

Yes. You can attempt this quiz as many times as you like. Each attempt is recorded separately so you can track improvement in score, accuracy and time-management.

Which government exams does this quiz prepare me for?

Mathematics questions appear regularly in SSC CGL, CHSL, MTS, GD; IBPS PO, Clerk; SBI PO, Clerk; RRB NTPC, Group D; UPSC prelims and most State PSC exams. The specific weightage varies by exam — check the exam pattern on the corresponding AajExam exam page for details.

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