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Rishit Kumar

Asked: December 25, 2020In: Class 10 Maths

The area of a rectangle gets reduced by 9 square units, if its length is reduced by 5 units and breadth is increased by 3 units. If we increase the length by 3 units and the breadth by 2 units, the area increases by 67 square units. Find the dimensions of the rectangle.

NCERT Solutions for Class 10 Maths Chapter 3 Important NCERT Questions Pair Of Linear Equation In Two Variables NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 3.5 Page No:63 Questions No:4 Part:5

Rishit Kumar

Asked: December 25, 2020In: Class 10 Maths

For which values of a and b does the following pair of linear equations have an infinite number of solutions? 2x + 3y = 7 and (a – b) x + (a + b) y = 3a + b – 2.

NCERT Solutions for Class 10 Maths Chapter 3 Important NCERT Questions Pair Of Linear Equation In Two Variables NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 3.5 Page No:62 Questions No:2 Part:1

Atiksh Singh

Asked: December 25, 2020In: Class 10 Maths

Which of the following pairs of linear equations has unique solution, no solution, or infinitely many solutions, in case there is a unique solution, find it by using cross multiplication method. x – 3y – 3 = 0 and 3x – 9y – 2 = 0

NCERT Solutions for Class 10 Maths Chapter 3 Important NCERT Questions Pair Of Linear Equation In Two Variables NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 3.5 Page No:62 Questions No:1 Part:1

Pranay Singh

Asked: December 25, 2020In: Class 10 Maths

The altitude of a right triangle is 7 cm less than its base. If the hypotenuse is 13 cm, find the other two sides.

NCERT Solutions for Class 10 Maths Chapter 4 Important NCERT Questions Quadratic Equation NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 4.2 Page No:76 Questions No:5

Aadiv Singh

Asked: December 24, 2020In: Class 10 Maths

Diagonals AC and BD of a trapezium ABCD with AB || DC intersect each other at the point O. Using a similarity criterion for two triangles, show that OA/OC=OB/OD.

NCERT Solutions for Class 10 Maths Chapter 6 Important NCERT Questions Triangles NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 6.3 Page No:139 Questions No:3

The area of a rectangle gets reduced by 9 square units, if its length is reduced by 5 units and breadth is increased by 3 units. If we increase the length by 3 units and the breadth by 2 units, the area increases by 67 square units. Find the dimensions of the rectangle.

For which values of a and b does the following pair of linear equations have an infinite number of solutions? 2x + 3y = 7 and (a – b) x + (a + b) y = 3a + b – 2.

Which of the following pairs of linear equations has unique solution, no solution, or infinitely many solutions, in case there is a unique solution, find it by using cross multiplication method. x – 3y – 3 = 0 and 3x – 9y – 2 = 0

The altitude of a right triangle is 7 cm less than its base. If the hypotenuse is 13 cm, find the other two sides.

Diagonals AC and BD of a trapezium ABCD with AB || DC intersect each other at the point O. Using a similarity criterion for two triangles, show that OA/OC=OB/OD.

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