CBSE Class 10 Banking & Insurance 2026 Question Paper with Solution PDF

CBSE X Questions

• 1.

  Prove that: \(\frac{\sec^3 \theta}{\sec^2 \theta - 1} + \frac{\csc^3 \theta}{\csc^2 \theta - 1} = \sec \theta \cdot \csc \theta (\sec \theta + \csc \theta)\)
  

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• 2.

  Show the formation of ionic compound CaO with electron dot structure.

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• 3.

  For any natural number n, \( 5^n \) ends with the digit :
  

  • 0
    
  • 5
    
  • 3
    
  • 2
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• 4.

  Prove that \(2 + 3\sqrt{5}\) is an irrational number given that \(\sqrt{5}\) is an irrational number.
  

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• 5.

  Which of the following set of compounds does not belong to same homologous series?

  • CH$_4$ and C$_4$H$_{10}$
    
  • C$_2$H$_6$ and C$_3$H$_8$
    
  • C$_3$H$_8$ and C$_5$H$_{12}$
    
  • C$_4$H$_8$ and C$_5$H$_{12}$
    
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• 6.

  A trader has three different types of oils of volume \(870 \text{ l}\), \(812 \text{ l}\) and \(638 \text{ l}\). Find the least number of containers of equal size required to store all the oil without getting mixed.
  

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