Exercise 3.7

Sahay Sir > Question Answers > NCERT Class 10 > Maths > Chapter 3 - Pair of Linear Equations in Two Variables > Exercise 3.7
Solve the following pair of linear equations: 152x – 378y = – 74, -378x + 152y = -604
03
Oct
Solve the following pair of linear equations: 152x – 378y = – 74, -378x + 152y = -604 -378x + 152y = -604 Solve the following pair of linear equations: 152x - 378y = - 74 October 3, 2020 Category: Chapter 3 - Pair of Linear Equations in Two Variables , Exercise 3.7 , Maths [...]
Posted in: Chapter 3 - Pair of Linear Equations in Two Variables , Exercise 3.7 , Maths , NCERT Class 10 ,
Tags: -378x + 152y = -604 , Solve the following pair of linear equations: 152x - 378y = - 74 ,
Solve the following pair of linear equations: (a – b)x + (a + b) y = a^2 – 2ab – b^2, (a + b) (x + y) = a^2 + b^2
03
Oct
Solve the following pair of linear equations: (a – b)x + (a + b) y = a^2 – 2ab – b^2, (a + b) (x + y) = a^2 + b^2 (a + b) (x + y) = a^2 + b^2 Solve the following pair of linear equations: (a - b)x + (a + b) [...]
Posted in: Chapter 3 - Pair of Linear Equations in Two Variables , Exercise 3.7 , Maths , NCERT Class 10 ,
Tags: (a + b) (x + y) = a^2 + b^2 , Solve the following pair of linear equations: (a - b)x + (a + b) y = a^2 - 2ab - b^2 ,
Solve the following pair of linear equations: x/a – y/b = o, ax + by = a^2 + b^2
03
Oct
Solve the following pair of linear equations: x/a – y/b = o, ax + by = a^2 + b^2 ax + by = a^2 + b^2 Solve the following pair of linear equations: x/a - y/b = o October 3, 2020 Category: Chapter 3 - Pair of Linear Equations in Two Variables , Exercise 3.7 [...]
Posted in: Chapter 3 - Pair of Linear Equations in Two Variables , Exercise 3.7 , Maths , NCERT Class 10 ,
Tags: ax + by = a^2 + b^2 , Solve the following pair of linear equations: x/a - y/b = o ,
Solve the following pair of linear equations: ax + by = c, bx + ay = 1+ c
03
Oct
Solve the following pair of linear equations: ax + by = c, bx + ay = 1+ c bx + ay = 1+ c Solve the following pair of linear equations: ax + by = c October 3, 2020 Category: Chapter 3 - Pair of Linear Equations in Two Variables , Exercise 3.7 , Maths [...]
Posted in: Chapter 3 - Pair of Linear Equations in Two Variables , Exercise 3.7 , Maths , NCERT Class 10 ,
Tags: bx + ay = 1+ c , Solve the following pair of linear equations: ax + by = c ,
In a triangle ABC, angle C = 3, angle B= 2 (A+B). Find the three angles.
03
Oct
In a triangle ABC, angle C = 3, angle B= 2 (A+B). Find the three angles. angle B= 2 (A+B). Find the three angles. angle C = 3 In a triangle ABC October 3, 2020 Category: Chapter 3 - Pair of Linear Equations in Two Variables , Exercise 3.7 , Maths , NCERT Class 10 [...]
Posted in: Chapter 3 - Pair of Linear Equations in Two Variables , Exercise 3.7 , Maths , NCERT Class 10 ,
Tags: angle B= 2 (A+B). Find the three angles. , angle C = 3 , In a triangle ABC ,
The students of a class are made to stand in rows. If three students are extra in each row, there would be 1 row less. If 3 students are less in a row, there would be 2 rows more. Find the number of students in the class.
03
Oct
The students of a class are made to stand in rows. If three students are extra in each row, there would be 1 row less. If 3 students are less in a row, there would be 2 rows more. Find the number of students in the class. The students of a class are made to [...]
Posted in: Chapter 3 - Pair of Linear Equations in Two Variables , Exercise 3.7 , Maths , NCERT Class 10 ,
Tags: The students of a class are made to stand in rows. If three students are extra in each row , there would be 1 row less. If 3 students are less in a row , there would be 2 rows more. Find the number of students in the class. ,
A train covered a certain distance at a uniform speed. If the train would have been 10 km/h faster, it would have taken 2 hours less than the scheduled time. And, if the train were slower by 10 km/h; it would have taken 3 hours more than the scheduled time. Find the distance covered by the train.
03
Oct
A train covered a certain distance at a uniform speed. If the train would have been 10 km/h faster, it would have taken 2 hours less than the scheduled time. And, if the train were slower by 10 km/h; it would have taken 3 hours more than the scheduled time. Find the distance covered by [...]
Posted in: Chapter 3 - Pair of Linear Equations in Two Variables , Exercise 3.7 , Maths , NCERT Class 10 ,
Tags: A train covered a certain distance at a uniform speed. If the train would have been 10 km/h faster , if the train were slower by 10 km/h; it would have taken 3 hours more than the scheduled time. Find the distance covered by the train. , it would have taken 2 hours less than the scheduled time. And ,
One says, “ Give me a hundred “ friend, I shall then become twice as rich as you”. The other replies, “If you give me ten, I shall be six times as rich as you”. Tell me what is the amount of their (respective) capital ?(from the Bijaganita of Bhaskara II)
03
Oct
One says, “ Give me a hundred “ friend, I shall then become twice as rich as you”. The other replies, “If you give me ten, I shall be six times as rich as you”. Tell me what is the amount of their (respective) capital ?(from the Bijaganita of Bhaskara II) “ Give me a [...]
Posted in: Chapter 3 - Pair of Linear Equations in Two Variables , Exercise 3.7 , Maths , NCERT Class 10 ,
Tags: “ Give me a hundred “ friend , “If you give me ten , I shall be six times as rich as you”. Tell me what is the amount of their (respective) capital ?(from the Bijaganita of Bhaskara II) , I shall then become twice as rich as you”. The other replies , One says ,
The ages of two friends Ani and Biju differ by 3 years. Ani’s father Dharam is twice as old as Ani and Biju is twice as old as his sister Cathy. The ages of Cathy and Dharam differ by 30 years. Find the ages of Ani and Biju.
03
Oct
The ages of two friends Ani and Biju differ by 3 years. Ani’s father Dharam is twice as old as Ani and Biju is twice as old as his sister Cathy. The ages of Cathy and Dharam differ by 30 years. Find the ages of Ani and Biju. 1/3x + 1/2y = 13/6 Solve the [...]
Posted in: Chapter 3 - Pair of Linear Equations in Two Variables , Exercise 3.7 , Maths , NCERT Class 10 ,
Tags: 1/3x + 1/2y = 13/6 , Solve the following pairs of equations by reducing them to a pair of linear equations: (i) 1/2x + 1/3y = 2 ,