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Class 10 Maths Worksheets for Linear equation




Question 1.
Solve these linear equation in two variable ( x and y)
a. $37x + 41y = 70$
$41x + 37y = 86$

b. $99x + 101y = 499$
$101x + 99y = 501$

c. $23x - 29y = 98$
$29x - 23y =110$

d. $ax + by = a - b$
$bx - ay = a + b$

e. $x + y = a + b$
$ax - by = a^2 - b^2$

f. $(a - b) x + (a + b) y = a^2 - 2ab - b^2$
$(a + b) (x + y) = a^2 - b^2$

g. $8x - 3y = 5xy$
$5y = -2xy$

h. $3(2x + y) = 7xy$
$3(x + 3y) = 11xy$

i. $49x + 51y = 499$
$51x + 49y = 501$

j. $217x + 131y = 913$
$131x + 217y = 827$


Qustion 2
Solve these linear equation in two variable ( x and y)
i. $ \frac {1}{2x} + \frac {1}{3y} = 2$
$ \frac {1}{3x} + \frac {1}{2y} = \frac {13}{6}$

ii) $ \frac {2}{x} + \frac {3}{y} = \frac {9}{xy}$
$ \frac {4}{x} + \frac {9}{y} = \frac {21}{xy}$
Where $x \ne 0,y \ne 0$

iii. $ \frac {22}{x+y} + \frac {15}{x-y} = 5$
$ \frac {55}{x+y} + \frac {45}{x-y} = 14$

iv.$ \frac {5}{x+y} - \frac {2}{x-y} = -1$
$ \frac {15}{x+y} + \frac {7}{x-y} = 10$

v. $bx + cy=a+b$
$ ax( \frac {1}{a-b} - \frac {1}{a+b}) + cy ( \frac {1}{b-a} - \frac {1}{b+a})= \frac {2a}{a+b}$

vi)$ \frac {1}{2(2x+3y)} + \frac {1}{7(3x-2y)} = \frac {17}{20}$
$ \frac {7}{(2x+3y)} - \frac {1}{(3x-2y)} = -\frac {28}{5}$

vii.$ \frac {x+1}{2} - \frac {y +4}{11} = 2$
$ \frac {x+3}{2} + \frac {2y+3}{17} = 5$



viii.$ \frac {7x -2y}{xy} =5$
$ \frac {8x+7y}{xy} =15$

ix. $ \frac {x}{a} + \frac {y}{b} =2$
$ax -by = a^2 - b^2$

x.$ \frac {57}{x+y} + \frac {6}{x-y} = 5$
$ \frac {38}{x+y} + \frac {21}{x-y} = 9$

Answer


1.
i. (3, 2)
ii. (3, -1)
iii. (8, 3)
iv. (1,-1)
v. (a, b)
vi. (a,-b)
vii. (0, 0) ,(22/31, 11/23)
viii. (0,0) (1,3/2)
ix. (1 ½ , 9/2)
x. 3,2

2.
i. (1/2, 1/3)
Hint: Take $\frac {1}{6x}=p , \frac {1}{6y} =q$ and then solve in p& q and then find x and y

ii. (1 ,3)
Hint: Take $\frac {1}{x}=p , \frac {1}{y} =q$ and then solve in p& q and then find x and y

iii. (8,3)
Hint: Take $\frac {1}{x+y}=p , \frac {1}{x-y} =q$ and then solve in p& q and then find x and y

iv. (3,2)
Hint: Take $\frac {1}{x+y}=p , \frac {1}{x-y} =q$ and then solve in p& q and then find x and y

v. $ \frac {a}{b},\frac {b}{c}$ vi. (2,1)
Hint: Take $\frac {1}{2x+3y}=p , \frac {1}{3x-2y} =q$ and then solve in p& q and then find x and y

vii. 5, 7
viii. (1, 1)
Hint:
Convert into these forms
$ \frac {7}{y} - \frac {2}{x} =5$
$ \frac {8}{y} + \frac {7}{y} =15$
Take $\frac {1}{x}=p , \frac {1}{y} =q$ and then solve in p& q and then find x and y

ix. (a,b)
x. (11, 8)

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Reference Books for class 10

Given below are the links of some of the reference books for class 10 math.

  1. Oswaal CBSE Question Bank Class 10 Hindi B, English Communication Science, Social Science & Maths (Set of 5 Books)
  2. Mathematics for Class 10 by R D Sharma
  3. Pearson IIT Foundation Maths Class 10
  4. Secondary School Mathematics for Class 10
  5. Xam Idea Complete Course Mathematics Class 10

You can use above books for extra knowledge and practicing different questions.


Class 10 Maths Class 10 Science

Practice Question

Question 1 What is $1 - \sqrt {3}$ ?
A) Non terminating repeating
B) Non terminating non repeating
C) Terminating
D) None of the above
Question 2 The volume of the largest right circular cone that can be cut out from a cube of edge 4.2 cm is?
A) 19.4 cm3
B) 12 cm3
C) 78.6 cm3
D) 58.2 cm3
Question 3 The sum of the first three terms of an AP is 33. If the product of the first and the third term exceeds the second term by 29, the AP is ?
A) 2 ,21,11
B) 1,10,19
C) -1 ,8,17
D) 2 ,11,20






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