CBSE Class 12 Applied Mathematics Question Paper 2020 with Answer Key (March 17)

CBSE CLASS XII Questions

• 1.

  The idea of use and disuse of organs for evolution of organism was proposed by
  

  • Charles Darwin
    
  • Thomas Malthus
    
  • Hugo De Vries
    
  • Lamarck
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• 2.

  From the following information obtained from the books of 'Ajanta Ltd.', calculate Cash from Operations: Net Profit for the year ended 31st March, 2025 after charging depreciation of ₹ 80,000 and after writing off goodwill ₹ 10,500 was ₹ 4,90,000. Additional Information:

  

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• 3.

  The rate for the following reaction is given by: \[ A + B \rightarrow C, \quad \text{Rate} = k[A][B]^2 \] How is the rate affected if we double the concentration of B?

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• 4.

  In an economy, the currency held by the public, Net Demand Deposits with Commercial Banks and Net Time Deposits with Commercial Banks stand at ₹ 1,42,000 crore, ₹ 22,000 crore and ₹ 86,000 crore respectively. The value of Money Supply (M1) would be ₹ _______ crore.

  • 2,50,000
    
  • 86,000
    
  • 1,64,000
    
  • 1,42,000
    
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• 5.

  Arrange the following historical events in chronological order and choose the correct option: I. Champaran Satyagraha
  II. Kheda Satyagraha
  III. Jallianwala Bagh Incident
  IV. Rowlatt Act
  Options:

  • I, II, III, IV
    
  • I, II, IV, III
    
  • II, III, I, IV
    
  • II, IV, III, I
    
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• 6.

  Calculate emf of the following cell at 298 K: \[ \text{Cr(s)} \, | \, \text{Cr}^{3+} (aq) \, (0.1\, M) \; || \; \text{Fe}^{2+} (aq) \, (0.01\, M) \, | \, \text{Fe(s)} \] Given: \[ E^\circ_{\text{Cr}^{3+}/\text{Cr}} = -0.74 \, V, \quad E^\circ_{\text{Fe}^{2+}/\text{Fe}} = -0.44 \, V, \quad \log 10 = 1 \]

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