rd sharma class 10th board Archives

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mehakNewbie

Asked: June 24, 2023In: CBSE

1. Evaluate the following: (i) sin 20o/ cos 70o (ii) cos 19o/ sin 71o

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How do you evolve this sum using the trigonometric formulas. Class 10th, Rd sharma, Trigonometric identities.

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mehakNewbie

Asked: June 17, 2023In: CBSE

Find the value of k for which the following system of equations has a unique solution: kx + 2y = 5 3x + y = 1

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Find the value of k when the equations has unique solution Class 10th rd sharma pair of linear equations in two ...Read more

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mehakNewbie

Asked: June 17, 2023In: CBSE

In each of the following systems of equations, determine whether the system has a unique solution, no solution or infinite solutions. In case there is a unique solution, find it from 1 to 4. 1. x − 3y = 3 3x − 9y = 2

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Explain the unique solution,no solution or infinite solutions Class 10th rd sharma pair of linear equations in two variables.

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mehakNewbie

Asked: June 17, 2023In: CBSE

7. Jamila sold a table and a chair for ₹ 1050, thereby making a profit of 10% on the table and 25% on the chair. If she had taken a profit of 25% on the table and 10% on the chair, she would have got ₹ 1065. Find the cost price of each.

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Form the equations of the question above. Class 10th rd sharma pair of linear equations in two variables.

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mehakNewbie

Asked: June 17, 2023In: CBSE

6. 5 books and 7 pens together cost ₹ 79, whereas 7 books and 5 pens together cost ₹ 77. Find the total cost of 1 book and 2 pens.

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Form the equations of the above questions. Class 10th rd sharma pair of linear equations in two variables.

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mehakNewbie

Asked: June 17, 2023In: CBSE

Solve each of the following systems of equations by the method of cross-multiplication. 1. x + 2y + 1 = 0 2x – 3y – 12 = 0

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How to perform cross multiplication on linear equations? Class 10th board important question Rd sharma, pair of linear equations in two variables

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mehakNewbie

Asked: June 17, 2023In: CBSE

Solve the following system of equations graphically: 1. x + y = 3 2x + 5y = 12

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Explain the question given above, and how is this graph formed? Class 10th, rd sharma, pair of linear equations in two variables.

Discy Latest Questions

1. Evaluate the following: (i) sin 20o/ cos 70o (ii) cos 19o/ sin 71o

Find the value of k for which the following system of equations has a unique solution: kx + 2y = 5 3x + y = 1

In each of the following systems of equations, determine whether the system has a unique solution, no solution or infinite solutions. In case there is a unique solution, find it from 1 to 4. 1. x − 3y = 3 3x − 9y = 2

7. Jamila sold a table and a chair for ₹ 1050, thereby making a profit of 10% on the table and 25% on the chair. If she had taken a profit of 25% on the table and 10% on the chair, she would have got ₹ 1065. Find the cost price of each.

6. 5 books and 7 pens together cost ₹ 79, whereas 7 books and 5 pens together cost ₹ 77. Find the total cost of 1 book and 2 pens.

Solve each of the following systems of equations by the method of cross-multiplication. 1. x + 2y + 1 = 0 2x – 3y – 12 = 0

Solve the following system of equations graphically: 1. x + y = 3 2x + 5y = 12