Prasar Bharati Online Exam: Quiz!

30 Questions | Total Attempts: 52

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Prasar Bharati Exam Quizzes & Trivia

Questions and Answers
  • 1. 
    A is thrice as good as a workman as B and therefore is able to finish a job in 60 days less than B. Working together, they can do it in:
    • A. 

      20 days

    • B. 

      22 ½ days

    • C. 

      30 days

    • D. 

      25 days

  • 2. 
    An alone can do a piece of work in 6 days and B alone in 8 days. A and B undertook to do it for Rs. 3200. With the help of C, they completed the work in 3 days. How much is to be paid to C?
    • A. 

      325 Rs

    • B. 

      Rs. 400

    • C. 

      Rs. 800

    • D. 

      600 Rs

  • 3. 
     A can do a piece of work in 4 hours; B and C together can do it in 3 hours, while A and C together can do it in 2 hours. How long will B alone take to do it?
    • A. 

      8 hours

    • B. 

      10 hours

    • C. 

      12 hours

    • D. 

      24 hours

  • 4. 
    A can-do certain work at the same time which B and C together can do it. If A and B together could do it in 10 days and C alone in 50 days, then B alone could do it in:
    • A. 

      15 days

    • B. 

      20 days

    • C. 

      25 days

    • D. 

      30 days

  • 5. 
    A machine P can print one lakh books in 8 hours, machine Q can print the same number of books in 10 hours while machine R can print them in 12 hours. All the machines are started at 9 A.M. while machine P is closed at 11 A.M. and the remaining two machines complete work. Approximately at what time will the work (to print one lakh books) be finished?
    • A. 

      12 : 30 P.M

    • B. 

      1:00 P.M.

    • C. 

      11: 30 A.M

    • D. 

      2: 00 P.M.

  • 6. 
    When a ray of light enters glass from water, it bends:
    • A. 

      Towards the normal due to decrease in the speed of light

    • B. 

      Towards the normal due to increase in the speed of light

    • C. 

      Away from the normal due to increase in the speed of light

    • D. 

      Away from the normal due to decrease in the speed of light

  • 7. 
    The velocity of light in water is:
    • A. 

      1.08

    • B. 

      1.33

    • C. 

      1.66

    • D. 

      1.09

  • 8. 
    A convex lens magnifying glass is of:
    • A. 

      Short focal length

    • B. 

      Long focal length

    • C. 

      Very long focal length

    • D. 

      All the above

  • 9. 
    The objective lens of a telescope forms:
    • A. 

      Real image

    • B. 

      Virtual image

    • C. 

      Indistinct image

    • D. 

      None of the above

  • 10. 
    Astigmatism is corrected by using:
    • A. 

      Convex lens

    • B. 

      Concave lens

    • C. 

      Cylindrical lens

    • D. 

      Plane lens

  • 11. 
    Eye piece of telescope forms a:
    • A. 

      Real image

    • B. 

      Virtual image

    • C. 

      Both the above

    • D. 

      None of the above

  • 12. 
    In India who is the chairman of the Planning Commission?
    • A. 

      President

    • B. 

      Prime Minister

    • C. 

      Speaker

    • D. 

      None of these

  • 13. 
    How long can a Presidential ordinance remain in force?
    • A. 

      1 year

    • B. 

      6 months

    • C. 

      2 months

    • D. 

      None of these

  • 14. 
    First Lok Sabha Speaker was:
    • A. 

      G.V. Mavlankar

    • B. 

      Meera Kumari

    • C. 

      Ravi Singh

    • D. 

      Hukam Singh

  • 15. 
    Maximum time between two Session of Parliament is:
    • A. 

      Six months

    • B. 

      1 year

    • C. 

      1 month

    • D. 

      None of these

  • 16. 
    Study the following bar-graph and answer the questions given below. Number of Bike A and B type sold over the years in thousand. What is the ratio between the total number of bikes of A in the years 2004, 2006, and 2007 together and the total number of bikes of B in years 2002, 2004, and 2005?
    • A. 

      5:6

    • B. 

      1:2

    • C. 

      2:1

    • D. 

      3:4

  • 17. 
    Study the following bar-graph and answer the questions given below. The Number of Bike A and B type sold over the years in thousand. The number of bikes of B type in the year 2007 is what percent of the total number of bikes of B type in all the years together? (Round off to two digits after decimal).
    • A. 

      15

    • B. 

      7.5

    • C. 

      30

    • D. 

      20.25

  • 18. 
    Study the following bar-graph and answer the questions given below. The number of Bike A and B type sold over the years in thousand. What is the average number of bikes of A type for all the years together?
    • A. 

      16667

    • B. 

      18667

    • C. 

      25556

    • D. 

      20000

  • 19. 
    Study the following bar-graph and answer the questions given below. Number of Bike A and B type sold over the years in thousand. 19.    What is the approximate percentage rise in number of bikes of A type from 2005 to 2006?
    • A. 

      200

    • B. 

      300

    • C. 

      400

    • D. 

      500

  • 20. 
    Study the following bar-graph and answer the questions given below. The number of Bike A and B type sold over the years in thousand. What is the difference between the average of A-type bikes for all the years and the average of B type bikes for all the years? 
    • A. 

      8667

    • B. 

      15555

    • C. 

      11111

    • D. 

      None

  • 21. 
    Superconductivity is destroyed.
    • A. 

      At high Tempt

    • B. 

      At high magnetic Fied

    • C. 

      In the Presence of magnetic impurities

    • D. 

      In all of the above

  • 22. 
    Bohr Magneton is the unit of?
    • A. 

      Magnetic energy

    • B. 

      Permanent dipole moment due to spin

    • C. 

      Polarisability

    • D. 

      Hysteresis loss

  • 23. 
    For which of the following materials, is the Hall coefficient  Zero?
    • A. 

      Metal

    • B. 

      Insulator

    • C. 

      Intrinsic Semiconductor

    • D. 

      Alloy

  • 24. 
    Bakelite is 
    • A. 

      A semiconductor

    • B. 

      Incombustible

    • C. 

      Low resistance conductor

    • D. 

      Highly inflammable

  • 25. 
    Which one of the Following components is an essential of electromechanical relays? 
    • A. 

      Graphite rod

    • B. 

      LED

    • C. 

      An elctromagnet

    • D. 

      MOSFET

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