Chapter 3 – Pair of Linear Equations in Two Variables
Sahay Sir > Question Answers > NCERT Class 10 > Maths > Chapter 3 - Pair of Linear Equations in Two Variables
Determine, algebraically, the vertices of the triangle formed by the lines 3x – y = 3, 2x – 3y = 2 and x + 2y = 8
22
Nov
Determine, algebraically, the vertices of the triangle formed by the lines 3x – y = 3, 2x – 3y = 2 and x + 2y = 8 2x – 3y = 2 and x + 2y = 8 algebraically Determine the vertices of the triangle formed by the lines 3x – y = 3 November [...]
The cost of 4 pens and 4 pencils boxes is ₹100. Three times the cost of a pen is ₹15 more than the cost of a pencil box. Form the pair of linear equations for the above situation. Find the cost of a pen and a pencil box.
22
Nov
The cost of 4 pens and 4 pencils boxes is ₹100. Three times the cost of a pen is ₹15 more than the cost of a pencil box. Form the pair of linear equations for the above situation. Find the cost of a pen and a pencil box. If 8 is subtracted from each of [...]
Draw the graphs of the equations x = 3, x = 5 and 2x – y – 4 = 0. Also find the area of the quadrilateral formed by the lines and the x-axis.
22
Nov
Draw the graphs of the equations x = 3, x = 5 and 2x – y – 4 = 0. Also find the area of the quadrilateral formed by the lines and the x-axis. Draw the graphs of the equations x = 3 x = 5 and 2x – y – 4 = 0. Also [...]
Determine, graphically, the vertices of the triangle formed by the lines y = x, 3y = x and x + y = 8
22
Nov
Determine, graphically, the vertices of the triangle formed by the lines y = x, 3y = x and x + y = 8 3y = x and x + y = 8 Determine Graphically the vertices of the triangle formed by the lines y = x November 22, 2020 Category: Chapter 3 - Pair of [...]
Graphically, solve the following pair of equations: 2x + y = 6 and 2x – y + 2 = 0 Find the ratio of the areas of the two triangles formed by the lines representing these equations with the x-axis and the lines with the y-axis.
22
Nov
Graphically, solve the following pair of equations: 2x + y = 6 and 2x – y + 2 = 0 Find the ratio of the areas of the two triangles formed by the lines representing these equations with the x-axis and the lines with the y-axis. Graphically If 8 is subtracted from each of the [...]
The angles of a cyclic quadrilateral ABCD are ∠A = (6x + 10)°, ∠B = (5x)°, ∠C = (x + y)° and ∠D = (3y – 10)°. Find x and y and hence the values of the four angles.
22
Nov
The angles of a cyclic quadrilateral ABCD are ∠A = (6x + 10)°, ∠B = (5x)°, ∠C = (x + y)° and ∠D = (3y – 10)°. Find x and y and hence the values of the four angles. ∠B = (5x)° ∠C = (x + y)° and ∠D = (3y – 10)°. Find x [...]
In a competitive examination, one mark is awarded for each correct answer while 1/2 mark is deducted for every wrong answer. Jayanti answered 120 questions and got 90 marks. How many questions did she answer correctly?
22
Nov
In a competitive examination, one mark is awarded for each correct answer while 1/2 mark is deducted for every wrong answer. Jayanti answered 120 questions and got 90 marks. How many questions did she answer correctly? In a competitive examination one mark is awarded for each correct answer while 1/2 mark is deducted for every [...]
A shopkeeper gives books on rent for reading. She takes a fixed charge for the first two days, and an additional charge for each day thereafter. Latika paid ₹22 for a book kept for six days, while Anand paid ₹16 for the book kept for four days. Find the fixed charges and the charge for each extra day.
22
Nov
A shopkeeper gives books on rent for reading. She takes a fixed charge for the first two days, and an additional charge for each day thereafter. Latika paid ₹22 for a book kept for six days, while Anand paid ₹16 for the book kept for four days. Find the fixed charges and the charge for [...]
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A shopkeeper gives books on rent for reading. She takes a fixed charge for the first two days ,
and an additional charge for each day thereafter. Latika paid ₹22 for a book kept for six days ,
while Anand paid ₹16 for the book kept for four days. Find the fixed charges and the charge for each extra day. ,
There are some students in the two examination halls A and B. To make the number of students equal in each hall, 10 students are sent from A to B. But if 20 students are sent from B to A, the number of students in A becomes double the number of students in B. Find the number of students in the two halls.
22
Nov
There are some students in the two examination halls A and B. To make the number of students equal in each hall, 10 students are sent from A to B. But if 20 students are sent from B to A, the number of students in A becomes double the number of students in B. Find [...]
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10 students are sent from A to B. But if 20 students are sent from B to A ,
the number of students in A becomes double the number of students in B. Find the number of students in the two halls. ,
There are some students in the two examination halls A and B. To make the number of students equal in each hall ,
Two number are in the ratio 5 : 6, If 8 is subtracted from each of the numbers, the ratio becomes 4 : 5. Find the numbers.
22
Nov
Two number are in the ratio 5 : 6, If 8 is subtracted from each of the numbers, the ratio becomes 4 : 5. Find the numbers. If 8 is subtracted from each of the numbers the ratio becomes 4 : 5. Find the numbers. Two number are in the ratio 5 : 6 November [...]