CBSE Class 12 Mathematics Compartment Question Paper 2017 with Answer Key (July 17, Set 2- 65/2)

CBSE CLASS XII Questions

• 1.

  The books of Mehul and Barkha showed that their capital employed on 31st March, 2025 was Rs 6,00,000. If the normal profits are Rs 60,000 and super profits are Rs 20,000, then the normal rate of return is:

  • 6%
  • 15%
  • 30%
  • 10%
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• 2.

  Identify the parts P, Q, R, S in the figure given below and select the option in the correct order.

  

  • P - Seed, Q - Thalamus, R - Mesocarp, S - Endocarp
    
  • P - Thalamus, Q - Seed, R - Endocarp, S - Mesocarp
    
  • P - Seed, Q - Thalamus, R - Endocarp, S - Mesocarp
    
  • P - Thalamus, Q - Seed, R - Mesocarp, S - Endocarp
    
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• 3.

  ‘Taylor called for complete mental revolution on the part of both management and workers. It means that management and workers should transform their thinking.’

  The principle of Scientific Management being referred to, in the above statement is :

  • Science, not Rule of Thumb
  • Harmony, not Discord
  • Cooperation, not Individualism
  • Development of each and every person to his or her Greatest Efficiency and Prosperity
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• 4.

  A magnet held vertically, with its north pole down, is dropped along the axis of a closed solenoid placed vertically on a table. If the observer looks down from the top,

  • the induced current will flow in the anticlockwise direction.
  • the induced current will flow in the clockwise direction.
  • no induced current will flow in the solenoid.
  • the magnet will fall with a constant velocity.
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• 5.

  Draw the structure of 'X' in the following reaction:
  

  

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• 6.

  An electron is revolving around a proton in a circular orbit of radius $r$. Using classical physics, prove that the ratio of value of the angular momentum and the value of magnetic moment of electron revolving in the orbit is a constant.

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