Exercise 3.3

Five years hence, the age of Jacob will be three times that of his son. Five years ago, Jacob’s age was seven times of his son. What are their present ages? Five years hence Jacob's age was seven times of his son. What are their present ages? the age of Jacob will be three times [...]

A fraction becomes 11/9​ if 2 is added to both the numerator and the denominator. If 3 is added to both the numerator and the denominator it becomes 6/5​, find the fraction. A fraction becomes 11/9​ if 2 is added to both the numerator and the denominator. If 3 is added to both the numerator [...]

The coach of a cricket team buys 7 bats and 6 balls for Rs. 3800. Later, he buys 3 bats and 5 balls for Rs. 1750. Find the cost of each bat and each ball. he buys 3 bats and 5 balls for Rs. 1750. Find the cost of each bat and each ball. The [...]

The larger of two supplementary angles exceeds the smaller by 18 degrees. Find them. The larger of two supplementary angles exceeds the smaller by 18 degrees. Find them. October 3, 2020 Category: Chapter 3 - Pair of Linear Equations in Two Variables , Exercise 3.3 , Maths , NCERT Class 10 ,

The difference between two numbers is 26 and one number is three times the other. Find them. The difference between two numbers is 26 and one number is three times the other. Find them. October 3, 2020 Category: Chapter 3 - Pair of Linear Equations in Two Variables , Exercise 3.3 , Maths , NCERT [...]

Solve 2x+3y=11 and 2x−4y=−24 and hence find the value of ‘m’ for which y = mx + 3. Solve 2x+3y=11 and 2x−4y=−24 and hence find the value of 'm' for which y = mx + 3. October 3, 2020 Category: Chapter 3 - Pair of Linear Equations in Two Variables , Exercise 3.3 , Maths [...]

Solve the following pair of linear equations by the substitution method. 3x/2 – 5y/3 = -2, x/3 + y/2 = 13/6 Solve the following pair of linear equations by the substitution method. 3x/2 - 5y/3 = -2 x/3 + y/2 = 13/6 October 3, 2020 Category: Chapter 3 - Pair of Linear Equations in Two [...]

Solve the following pair of linear equations by the substitution method. root2x + root2y = 0, root3x – root8y = 0 root3x - root8y = 0 Solve the following pair of linear equations by the substitution method. root2x + root2y = 0 October 3, 2020 Category: Chapter 3 - Pair of Linear Equations in Two [...]

Solve the following pair of linear equations by the substitution method. 0.2x + 0.3y = 1.3, 0.4x + 0.5 y = 2.3 0.4x + 0.5 y = 2.3 Solve the following pair of linear equations by the substitution method. 0.2x + 0.3y = 1.3 October 3, 2020 Category: Chapter 3 - Pair of Linear Equations [...]

Solve the following pair of linear equations by the substitution method. 3x – y = 3, 9x – 3y = 9 9x - 3y = 9 Solve the following pair of linear equations by the substitution method. 3x - y = 3 October 3, 2020 Category: Chapter 3 - Pair of Linear Equations in Two [...]