CBSE Class 10 Odia Question Paper 2023 with Answer Key (March 1, Set 4- 14)

CBSE X Questions

• 1.

  In triangles ABC and PQR, \( \angle A = \angle Q \) and \( \angle B = \angle R \), then \( AB : AC \) is equal to :
  

  • \( PQ : PR \)
    
  • \( PQ : QR \)
    
  • \( QR : QP \)
    
  • \( PR : QR \)
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• 2.

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

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• 3.

  In the given figure, \(AB \parallel DE\) and \(AC \parallel DF\). Show that \(\triangle ABC \sim \triangle DEF\). If \(BC = 10\) cm, \(EB = CF = 5\) cm and \(AB = 7\) cm, then find the length DE.
  

  

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• 4.

  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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• 5.

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

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• 6.

  Paddy fields require a large amount of water. The pesticides and chemical fertilizers used are washed down into the soil or waterbodies. How do these chemicals reach our bodies? What is this phenomenon known as?

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