CBSE Class 12 Question Paper 2025: Check Previous Year Question Paper with Solution PDF

CBSE CLASS XII 2025 Questions

• 1.

  Two ambitious friends, Sana and Mihir, having passion for creating innovative software applications, established a tech startup named ‘Quick Solutions’. Their software was developed in such a way that it caters to the needs of all sections. Since its inception, ‘Quick Solutions’ was earning enough revenue to cover the costs. They faced countless challenges from competing with large and well-established companies. But they learned from their mistakes and continuously improved their product. Slowly, their software gained recognition for its quality and uniqueness and the company started making profits. It was a big incentive for Sana and Mihir for the continued successful operation of the enterprise. Within two years, the customer base increased manifold. Now, Sana and Mihir decided to make additional capital investment and hired more employees. They invested in research and development and expanded their product line to meet emerging market demands. ‘Quick Solutions’ ultimately became the industry leader because of the tireless efforts of Sana and Mihir.

  Quoting lines, identify and state the objectives of management discussed in the above case which ‘Quick Solutions’ seeks to achieve.

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• 2.

  The ends of six wires, each of resistance R (= 10 \(\Omega\)) are joined as shown in the figure. The points A and B of the arrangement are connected in a circuit. Find the value of the effective resistance offered by it to the circuit.
  

  

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• 3.

  Two coherent light waves, each of intensity \( I_0 \), superpose and produce an interference pattern on a screen. Obtain the expression for the resultant intensity at a point where the phase difference between the waves is \( \phi \). Write its maximum and minimum possible values.

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• 4.

  Identify and draw the main products formed in the following chemical reactions:
  

  

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• 5.

  Bittu and Chintu were partners in a firm sharing profit and losses in the ratio of 4 : 3. Their Balance Sheet as at 31st March, 2024 was as follows:

    
  On 1st April, 2024, Diya was admitted in the firm for \( \frac{1}{7} \)th share in the profits on the following terms:

  • (i) New profit sharing ratio between Bittu, Chintu and Diya was 3 : 3 : 1 .
  • (ii) Fixed Assets were found to be overvalued by ₹ 1,40,000.
  • (iii) Creditors were paid ₹ 4,20,000 in full settlement.
  • (iv) Diya brought proportionate capital and ₹ 5,60,000 as her share of goodwill premium by cheque.

  Prepare Revaluation Account and Partners' Capital Accounts. 

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