MathematicsMathematicsmedium

RRB Group D - Mathematics PYQ Quiz 150

10 PYQ questions from RRB Group D - Mathematics

10
Minutes
10
Marks
FREE
Access

About This Quiz

10 PYQ questions from RRB Group D - Mathematics RRB Group D - Mathematics PYQ Quiz 150 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 150 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 150 — 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.An 8-digit number is divisible by 45. If the digits are rearranged, then the number must be divisible by:

    • A.5
    • B.15
    • C.45
    • D.3
    Show answer

    Answer: D. 3

  2. Q2.In an election, 30% of the total votes were declared invalid. Of the remaining valid votes, 60% were cast for the winning candidate. What percentage of the total votes did the losing candidate receive?

    • A.15%
    • B.35%
    • C.28%
    • D.40%
    Show answer

    Answer: C. 28%

  3. Q3.A water tank can be filled in 12 hours using three pipes. Pipe Z is three times as fast as pipe C, and pipe C is twice as fast as pipe B. How long will it take pipe B alone to fill the tank?

    • A.108 hours
    • B.96 hours
    • C.50 hours
    • D.100 hours
    Show answer

    Answer: A. 108 hours

  4. Q4.The father's age will be double his son's age after twenty years from now. If the father's age was seven times the son's age five years ago from now, then find their present ages (in years), respectively.

    • A.38, 9
    • B.42, 11
    • C.40, 10
    • D.46, 13
    Show answer

    Answer: C. 40, 10

  5. Q5.A triangle has sides of length 13 cm, 14 cm and 15 cm. Find the area of the triangle.

    • A.88 cm2
    • B.92 cm2
    • C.72 cm2
    • D.84 cm2
    Show answer

    Answer: D. 84 cm2

  6. Q6.Find the HCF of the numbers 2520, 3600, 5880.

    • A.100
    • B.120
    • C.140
    • D.180
    Show answer

    Answer: B. 120

  7. Q7.A person travels 60 km by car at a speed of 50 km/hr, then 80 km by bus at a speed of 40 km/hr and finally 100 km by train at a speed of 80 km/hr. What is the average speed (rounded off two decimal places) of the person for the entire trip?

    • A.53.93 km/hr
    • B.59.93 km/hr
    • C.48.93 km/hr
    • D.61.93 km/hr
    Show answer

    Answer: A. 53.93 km/hr

  8. Q8.If the mode of a data exceeds its mean by 10.8, then the mode exceeds the median by . (Use empirical formula to find the answer.)

    • A.7.2
    • B.12.9
    • C.9.3
    • D.15.5
    Show answer

    Answer: A. 7.2

  9. Q9.The arithmetic mean of the observations 27, 69, 15, 88, 15, 54, 53, 20 and 19 is:

    • A.50
    • B.37
    • C.40
    • D.31
    Show answer

    Answer: C. 40

  10. Q10.The area of an isosceles triangle is 48 square units. The unequal side (base) has a length of 12 units. Find the perimeter (in units) of the triangle.

    • A.24
    • B.36
    • C.28
    • D.32
    Show answer

    Answer: D. 32

Loading quiz preview…

Frequently Asked Questions

Is RRB Group D - Mathematics PYQ Quiz 150 free to attempt on AajExam?

Yes. RRB Group D - Mathematics PYQ Quiz 150 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 150?

RRB Group D - Mathematics PYQ Quiz 150 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 150 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 150 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.

Related Mathematics Quizzes