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10th CBSE
IMPORTANT
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One equation of a pair of dependent linear equations is -5x+7y=2. The second equation can be

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Important Questions on Pair of Linear Equations in Two Variables

MEDIUM
10th CBSE
IMPORTANT
CBSE Syllabus Standard Mathematics for Class X>Chapter 3 - Pair of Linear Equations in Two Variables>Objective Questions>Q 22
If the pair of linear equations 2x+ky=7 and 3x-9y=12 is consistent and independent, then the value(s) of k is (are)
EASY
10th CBSE
IMPORTANT
CBSE Syllabus Standard Mathematics for Class X>Chapter 3 - Pair of Linear Equations in Two Variables>Objective Questions>Q 23
If x=a, y=b is the solution of the equations x-y=2 and x+y=4, then the values of a and bare, respectively
HARD
10th CBSE
IMPORTANT
CBSE Syllabus Standard Mathematics for Class X>Chapter 3 - Pair of Linear Equations in Two Variables>Objective Questions>Q 24
The solution of the system of equations 4x+5y=7 and 3x+4y=5 is
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10th CBSE
IMPORTANT
CBSE Syllabus Standard Mathematics for Class X>Chapter 3 - Pair of Linear Equations in Two Variables>Objective Questions>Q 25
The sum of two natural numbers is25 2 and their difference is 7. The numbers are
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10th CBSE
IMPORTANT
CBSE Syllabus Standard Mathematics for Class X>Chapter 3 - Pair of Linear Equations in Two Variables>Objective Questions>Q 26
The sum of two natural numbers is 240 and their ratio is 3 : 5. Then the greater number is
HARD
10th CBSE
IMPORTANT
CBSE Syllabus Standard Mathematics for Class X>Chapter 3 - Pair of Linear Equations in Two Variables>Objective Questions>Q 27
The sum of the digits of a two-digit number is 9. If 27 is added to it, the digits of the number get reversed. The number is
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10th CBSE
IMPORTANT
CBSE Syllabus Standard Mathematics for Class X>Chapter 3 - Pair of Linear Equations in Two Variables>Objective Questions>Q 28
The sum of the digits of a two-digit number is 12. If the number is decreased by 18, its digits get reversed. The number is
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10th CBSE
IMPORTANT
CBSE Syllabus Standard Mathematics for Class X>Chapter 3 - Pair of Linear Equations in Two Variables>Higher Order Thinking Skills (HOTS)>Q 1
A shopkeeper sells a saree at 8% profit and a sweater at 10% discount, thereby getting a sum of Rs. 1008. If she had sold the saree at 10% profit and the sweater at 8% discount, she would have got Rs. 1028. Find the cost price of the saree and that of the sweater.