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How many times minute-hand coincides with hour-hand in 12 hours?

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At what time between 8 o'clock and 9 o'clock does the minute-hand of a clock coincide with its hour hands?

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QUANTUM CAT-TIME, SPEED AND DISTANCE-QUESTION BANK
  1. P and Q run on a circular track of 100 m speed of P is 250 m/s and tha...

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  2. A .B and C start walking around a circular track.A completes one round...

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  3. How many times minute-hand coincides with hour-hand in 12 hours?

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  4. In 12 hours how many times the two hands of clock will be just opposit...

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  5. In 12 hours how many times a minute-hand and hour-hand of a clock make...

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  6. Between 2 O'clock and 3 O'clock when two hands of a clock overlap each...

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  7. Between 6 am and 7 am when the two hands of a clock coincide.

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  8. Between 11 O'clock and 12 O'clock when will they coincide.

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  9. Between 3 O'clock and 4 O'clock when will the two hands make 36^@ angl...

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  10. Between 3 O'clock and 4 O'clock when will the two hands make 36^@ angl...

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  11. What is the angle between the two hands at 3:10 am?

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  12. What is the angle between the two hands of a clock at 7:35?

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  13. A' goes 10 km.distance with average speed of 6km/hr while rest 20 km h...

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  14. A covers half of his disttance with 20 km/h and rest with 30 km/h.What...

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  15. A covers 1/3rd of his journey at the speed of 10 km/h and half of the ...

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  16. A covers 1/4th of his journey at 20 km/h and 1/3rd of the rest at 25 k...

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  17. A covered half of his journey at 20 km/h and rest at the x km/h then h...

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  18. A man covered half of the distance at 3x km/h and rest at the 5x km/h....

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  19. A person goes to his office at 1/3rd of the speed at which he returns ...

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  20. A person X starts from lucknow and another person Y starts from Kanpur...

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