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RRB Group D - Mathematics PYQ Quiz 149

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 149 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 149 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 149 — 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.Find a single discount (approximately) equal to three consecutive discounts of 7%, 10% and 15%.

    • A.31.22%
    • B.30.16%
    • C.28.85%
    • D.29.49%
    Show answer

    Answer: C. 28.85%

  2. Q2.16 m, 20 m and 24 m are the dimensions of a room. Find the length (in m) of the greatest possible scale to measure all dimensions exactly.

    • A.5
    • B.4
    • C.6
    • D.9
    Show answer

    Answer: B. 4

  3. Q3.Ans P and Q together can fill a cistern with water in 12 hours. If P alone can fill the cistern with water in 24 hours, then in how many hours will Q alone fill one-fourth of the same cistern with water?

    • A.6
    • B.13
    • C.12
    • D.7
    Show answer

    Answer: A. 6

  4. Q4.Ans The prices of each article of types P, Q, and R are ₹280, ₹180 and ₹100, respectively. Kishore buys articles of each type in the ratio 3 : 4 : 5 in ₹6,180. How many articles of type Q did he purchase?

    • A.12
    • B.20
    • C.18
    • D.9
    Show answer

    Answer: A. 12

  5. Q5.Ans ₹10,415 is divided among P, Q, and R in such a way that if ₹62, ₹17, and ₹79 are deducted from their respective shares, they have money in the ratio 15:10:14. Find the difference between the original shares of Q and R.

    • A.₹1,152
    • B.₹1,114
    • C.₹902
    • D.₹1,202
    Show answer

    Answer: B. ₹1,114

  6. Q6.Ans Malati bought 5 rose plants and 9 jasmine plants for ₹1,410 and her friend Rani bought 6 rose plants and 5 jasmine plants for ₹1,170. Find the prices (in ₹) of 1 rose and 1 jasmine plant, respectively.

    • A.90; 120
    • B.120; 90
    • C.132; 94
    • D.115; 87
    Show answer

    Answer: B. 120; 90

  7. Q7.Ans The cost of a washing machine is 25% less than the cost of a TV. If the cost of the washing machine increases by 87% and that of the TV decreases by 45%, then what is the percentage change in the total cost of 4 washing machines and 5 TVs?

    • A.Increase by 5.2%
    • B.Decrease by 4%
    • C.Increase by 4.5%
    • D.Decrease by 9%
    Show answer

    Answer: C. Increase by 4.5%

  8. Q8.In a test, B got 50 marks while A got 75 marks, out of 105 maximum marks. What percentage of A’s marks was B’s marks? (Round off your answer to two decimal places.)

    • A.105.12%
    • B.71.43%
    • C.150.57%
    • D.66.67%
    Show answer

    Answer: D. 66.67%

  9. Q9.Simplify: [(3x + 5y)2 − 60xy] ÷ [(3x − 5y)2]

    • A.2
    • B.−1
    • C.1
    • D.−2
    Show answer

    Answer: C. 1

  10. Q10.The number of diagonals of an n-sided regular polygon is 665. What is the value of ‘n’?

    • A.33
    • B.38
    • C.35
    • D.40 Section : General Intelligence and Reasoning
    Show answer

    Answer: B. 38

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Frequently Asked Questions

Is RRB Group D - Mathematics PYQ Quiz 149 free to attempt on AajExam?

Yes. RRB Group D - Mathematics PYQ Quiz 149 is completely free. You only need a free AajExam account to track your score, view detailed solutions and unlock cross-attempt analytics.

How long does it take to complete RRB Group D - Mathematics PYQ Quiz 149?

RRB Group D - Mathematics PYQ Quiz 149 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 149 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 149 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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