CBSE Class 12 Mathematics Compartment Question Paper 2019 with Answer Key (July 2, Set 2- 65/1/2)

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.

  The number of free electrons per unit volume ($\text{m}^3$) in a wire made of copper (resistivity $1.72 \times 10^{-8}\,\Omega\,\text{m}$) is $8.5 \times 10^{28}$. Calculate the average number of collisions made by an electron in one second when an electric field is maintained in the wire.

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• 3.

  The following information was extracted from the Statement of Profit and Loss of Chaman Ltd. for the year ended 31st March, 2025:

  Particulars	31.3.2025 (Rs)	31.3.2024 (Rs)
  Revenue from operations	40,00,000	32,00,000
  Employee Benefit Expenses	20,00,000	16,00,000
  Other Expenses	2,00,000	4,00,000
  Tax Rate	50%

  Prepare a Comparative Statement of Profit and Loss.

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• 4.

  You are Dr. Ria Sen, a renowned environmentalist. You have received an invitation to speak at an inter-school conclave on ‘Climate change – the Role of Youth’. Draft a reply consenting to attend the event.

  (Write in about 50 words.)

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• 5.

  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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• 6.

  Identify the plant in which emasculation is not required for artificial hybridization.
  

  • Rice
    
  • Wheat
    
  • Pea
    
  • Papaya
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