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  • Question
  • At what time between 9 o'clock and 10 o'clock, will the hands of a clock be in the same straight line but not together?


  • Options
  • A. 162/11 min past 9
  • B. 162/11 min past 10
  • C. 164/11 min past 9
  • D. 164/11 min past 10

  • Correct Answer
  • 164/11 min past 9 

    Explanation

    At 9 o'clock, the hour hand is at 9 and the minute hand is at 12. it means that the two hands are 15 min spaces apart .To be in the same straight line (but not together ), they will be 30 min space apart .
    ? The minute hand will have to gain (30 - 15) = 15 min space over the hour hand .

    As we Know, 55 min spaces are gained in 60 min.
    ? 15 min will be gained in (60/55 x 15) min = 180/11 = 164 /11 min

    Hence, the hands will be in the same straight line but not together at 164/ 11 min past 9.


  • More questions

    • 1. 
      A can give B 15 points, A can give C 22 points and B can give C 10 points. How many points make the game?

    • Options
    • A. 50
    • B. 60
    • C. 70
    • D. 80
    • Discuss
    • 2. 
      If 1.5 x a = 0.04 x b then the value of (b - a) / ( b + a) is?

    • Options
    • A. 730 / 77
    • B. 73 / 77
    • C. 7.3 / 77
    • D. None of thesse
    • Discuss
    • 3. 
      On a scale of a map 0.6 cm represents 6.6 km. If the distance between two points on the map is 80.5 cm, what is the actual distance between these points?

    • Options
    • A. 885.5 km
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    • C. 872.5 km
    • D. 895 km
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    • 4. 
      Two angles are supplementary and the ratio of the angels is 1:4. what is the value of smaller angle?

    • Options
    • A. 36 degree
    • B. 45 degree
    • C. 35 degree
    • D. 72 degree
    • Discuss
    • 5. 
      If x =
      4ab
      , then the value of
      x + 2a
      +
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    • Options
    • A. a
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    • 6. 
      3, 10, 21, 36, 55, 70, 105?

    • Options
    • A. 105
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    • D. 55
    • Discuss
    • 7. 
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    • Options
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    • B. Rs. 4500
    • C. Rs. 4000
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    • 8. 
      Kareena can do a piece of work in 9 days and Krishna can do the same work in 18 days. They started the work. After 3 days Shahid joined them, who can complete alone the same whole work in 3 days. What is the total No. of days in which they had completed the work?

    • Options
    • A. 12
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    • C. 4
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    • Discuss
    • 9. 
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    • 10. 
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