CBSE Class 10 Elements Of Book-Keeping And Accountancy (Commerce) Question Paper 2020 with Answer Key (February 28)

CBSE Class 10 Elements Of Book-Keeping And Accountancy (Commerce) Question Paper 2020 with Answer Key Set 4 is available for download. The exam was conducted by the Central Board of Secondary Education on February 28, 2020 in the Morning Session 10:30 AM to 1:30 PM. The medium of paper was English and Hindi. The question paper comprised a total of 30 questions.

CBSE Class 10 Book-Keeping And Accountancy Question Paper 2020 with Answer Key (February 28)

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CBSE Class 10 Previous Year Question Papers

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CBSE X Questions

1.
Show the formation of ionic compound CaO with electron dot structure.

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2.
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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3.
The dimensions of a window are 156 cm \(\times\) 216 cm. Arjun wants to put grill on the window creating complete squares of maximum size. Determine the side length of the square and hence find the number of squares formed.

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4.
The graph of \(y = f(x)\) is given. The number of zeroes of \(f(x)\) is :

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5.
Assertion : In human beings, the respiratory pigment is haemoglobin present in red blood cells.
Reason (R) : Haemoglobin has a very high affinity for carbon dioxide.

Both, Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of the Assertion (A).
Both, Assertion (A) and Reason (R) are true, but Reason (R) is not the correct explanation of the Assertion (A).
Assertion (A) is true, but Reason (R) is false.
Assertion (A) is false, but Reason (R) is true.

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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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CBSE Class 10 Elements Of Book-Keeping And Accountancy (Commerce) Question Paper 2020 with Answer Key (February 28)

CBSE Class 10 Book-Keeping And Accountancy Question Paper 2020 with Answer Key (February 28)

CBSE Class 10 Previous Year Question Papers

CBSE X Questions

1.
Show the formation of ionic compound CaO with electron dot structure.

2.
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.

3.
The dimensions of a window are 156 cm \(\times\) 216 cm. Arjun wants to put grill on the window creating complete squares of maximum size. Determine the side length of the square and hence find the number of squares formed.

4.
The graph of \(y = f(x)\) is given. The number of zeroes of \(f(x)\) is :

5.
Assertion : In human beings, the respiratory pigment is haemoglobin present in red blood cells.
Reason (R) : Haemoglobin has a very high affinity for carbon dioxide.

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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CBSE Class 10 Book-Keeping And Accountancy Question Paper 2020 with Answer Key (February 28)

CBSE Class 10 Previous Year Question Papers

CBSE X Questions

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

2.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.

3.The dimensions of a window are 156 cm \(\times\) 216 cm. Arjun wants to put grill on the window creating complete squares of maximum size. Determine the side length of the square and hence find the number of squares formed.

4.The graph of \(y = f(x)\) is given. The number of zeroes of \(f(x)\) is :

5.Assertion : In human beings, the respiratory pigment is haemoglobin present in red blood cells. Reason (R) : Haemoglobin has a very high affinity for carbon dioxide.

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?

Comments

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1.
Show the formation of ionic compound CaO with electron dot structure.

2.
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.

3.
The dimensions of a window are 156 cm \(\times\) 216 cm. Arjun wants to put grill on the window creating complete squares of maximum size. Determine the side length of the square and hence find the number of squares formed.

4.
The graph of \(y = f(x)\) is given. The number of zeroes of \(f(x)\) is :

5.
Assertion : In human beings, the respiratory pigment is haemoglobin present in red blood cells.
Reason (R) : Haemoglobin has a very high affinity for carbon dioxide.

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?