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Formation Of Linear Equations Free Doubts and Solutions

CBSE - IX - Mathematics - Linear Equations in Two Variables

The breadth is 5/7 times of length form the equation 

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CBSE - IX - Mathematics - Linear Equations in Two Variables

A rabbit covers y meters distance by walking 10m in slow motion and the ramaning jumps, each jump contain 2 meters.Express the information in linear equation.

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CBSE - IX - Mathematics - Linear Equations in Two Variables

The area of the triangle formed by the lines x/a+y/b=1 with the coordinate axes is:

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CBSE - IX - Mathematics - Linear Equations in Two Variables

if we add 1 to the numerator and subtract 1 from the denominator a fraction reduces to 1. it becomes 1/2,if we only add 1 to the denominator, what is the fraction.
 

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CBSE - IX - Mathematics - Linear Equations in Two Variables

in a rational number... nemerator is 3 less than the denominator. if 3 is added to the numerator.. fraction becomes 1. find the fraction??

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CBSE - IX - Mathematics - Linear Equations in Two Variables

A number consist of two digits whose sum is 9.  If 27 is subtracted from the number it's digits are reversed.  Find the number?

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CBSE - IX - Mathematics - Linear Equations in Two Variables

If the graph of a particular equation is given, then how we could calculate the equation for which it stands?

Asked by zeenat110zehra 12th March 2017, 10:21 PM
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CBSE - IX - Mathematics - Linear Equations in Two Variables

A says to B "my present age is Five times your that age when I was an old as you are now". If the sum of their present ages is 48 years, find their present ages.

Asked by Petulla Mishra 21st July 2015, 7:36 PM
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CBSE - IX - Mathematics - Linear Equations in Two Variables

Khushboo said to Chetna, "On your first birthday, I was as old as you are now". If Khushboo's present age is 47 years, then after how many years will Khushboo's age be one and a half times that of Chetna?

Asked by Jerlin George 28th March 2015, 10:57 PM
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CBSE - IX - Mathematics - Linear Equations in Two Variables

   Hello sir, I am yuganshi. The sum i am sending is in PSA , Sir, please help me to solve it.

Alcohol costs Rs. 3.50 Rs. per litre and kerosene oil costa Rs. 2.50 per litre. In what proportion these should be mixed so that the resulting mixtures may be worth Rs. 2.75 per liters?

Asked by rdbharti2008 11th October 2014, 6:13 PM
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CBSE - IX - Mathematics - Linear Equations in Two Variables

FOR THE FIRST TWO KILOMETERS,THE FARE OF A TAXI IS RS.25 AND FOR THE SUBSEQUENT DISTANCE IT IS RS.10 PER KM.TAKING THE DISTANCE COVERD AS X KM AND TOTAL FARE AS RS Y, WRITE A LINEAR EQUATION FOR THIS INFORMATION AND ALSO ,DRAW A GRAPH FOR THE EQUATION FORMED.USE THE GRAPH DRAW TO FIND THE FARE OF S DISTANCE OF 6 KM

Asked by M.s.srinidhi21 28th September 2014, 10:11 PM
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CBSE - IX - Mathematics - Linear Equations in Two Variables

NUMBER OF MALES IN A TOWNIS 45 MORE THAN 2 TIMES OF NUMBER FEMALES.FORM A LINEAR EQUATION .DRAW IT IN THE GRAPH. IF NUMBER OF MALES ARE 2465 ,THEN FIND THE NUMBER OF FEMALES IN THE TOWN. 

Asked by M.s.srinidhi21 28th September 2014, 10:00 PM
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CBSE - IX - Mathematics - Linear Equations in Two Variables

WORK DONE BY AN OBJECT IS GIVEN BY PRODUCT OF FORCE APPLIED ON IT AND ITS DISPLACEMENT.FORM A LINEAR EQUATION IF FORCE APPLIED IS 7UNITS .FIND WORK DONE IF DISPLACEMENT IS
  • 4UNITS
  • 5UNITS

Asked by M.s.srinidhi21 25th September 2014, 3:56 PM
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CBSE - IX - Mathematics - Linear Equations in Two Variables

Respected Sir/Mam,
If while representing anything in the linear equations in 2 variables we get an answer like 2x+4y=40.
So is it necesarry that we write it in the form 2x+4y-40=0.

Asked by deeksha_pareek 1st July 2014, 7:40 PM
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CBSE - IX - Mathematics - Linear Equations in Two Variables

Express 3x = 5y in the form of ax + by + c = 0 and hence indicate the values of a, b and c.

Asked by Topperlearning User 4th June 2014, 1:23 PM
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CBSE - IX - Mathematics - Linear Equations in Two Variables

After 5 years, the age of father will be two times the age of the son. Write a linear equation in two variables to represent this statement.

Asked by Topperlearning User 4th June 2014, 1:23 PM
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CBSE - IX - Mathematics - Linear Equations in Two Variables

A part of monthly expenses of a family on milk is fixed, which is Rs.700 and remaining varies with quantity of extra milk taken at the rate of Rs. 25 per litre. Assuming quantity of extra milk required as x litres and total expenditure on milk Rs. y, write a linear equation representing above information.

Asked by Topperlearning User 4th June 2014, 1:23 PM
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CBSE - IX - Mathematics - Linear Equations in Two Variables

Express the equation 5x = -y in the general form and indicate the values of a, b and c.

Asked by Topperlearning User 4th June 2014, 1:23 PM
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CBSE - IX - Mathematics - Linear Equations in Two Variables

Sum of the digits of a two digit number is 14. If we add 18 to the original number, the digits interchange their places. Write two equations for these two statements.

Asked by Topperlearning User 4th June 2014, 1:23 PM
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CBSE - IX - Mathematics - Linear Equations in Two Variables

Sum of the digits of a two digit number is 12. If 18 is added to the original number the digits interchange their places. Write two linear equations representing these situations.

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CBSE - IX - Mathematics - Linear Equations in Two Variables

One tenth of the number  is equivalent to 20 more than the 10% of the other number. Represent this information in the equivalent linear equation of two variables

Asked by Topperlearning User 4th June 2014, 1:23 PM
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CBSE - IX - Mathematics - Linear Equations in Two Variables

The sum of the 10% of one number and 20% of the other number is equal to the 5 more then the 15% of the  sum of two numbers. Write  a linear equation  in two variables to represent above  statement .

Asked by Topperlearning User 4th June 2014, 1:23 PM
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CBSE - IX - Mathematics - Linear Equations in Two Variables

Check whether   is  a linear equation  or not?

Asked by Topperlearning User 4th June 2014, 1:23 PM
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CBSE - IX - Mathematics - Linear Equations in Two Variables

Check whether   is  a linear equation or not?

Asked by Topperlearning User 4th June 2014, 1:23 PM
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CBSE - IX - Mathematics - Linear Equations in Two Variables

A fraction is such that if the numerator is multiplied by 3 and the denominator is reduced by 3, we get 18/11.  Write linear equation to represent this information.

Asked by Topperlearning User 4th June 2014, 1:23 PM
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CBSE - IX - Mathematics - Linear Equations in Two Variables

Dhoni made century  only by hitting four’s and  sixes . Write  a linear equation in two variables to represent the above statement.

Asked by Topperlearning User 4th June 2014, 1:23 PM
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CBSE - IX - Mathematics - Linear Equations in Two Variables

Sita bought 18 apples for Rs 45 and 12 oranges for Rs 25. What will be the linear equation  of above statement ?

Asked by Topperlearning User 4th June 2014, 1:23 PM
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CBSE - IX - Mathematics - Linear Equations in Two Variables

The cost of six cups is equal to  48 rupees  and  the cost of 5 plates  is 30 rupees. Express the above information in the form of linear equation.

Asked by Topperlearning User 4th June 2014, 1:23 PM
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CBSE - IX - Mathematics - Linear Equations in Two Variables

Ram invested some amount at 6% simple interest and some amount at 9% simple interest. At the end of the year, he earned Rs.1200 as interest on the two amounts. Write  a linear equation in two variables to represent the above statement.

Asked by Topperlearning User 4th June 2014, 1:23 PM
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CBSE - IX - Mathematics - Linear Equations in Two Variables

One  angle of a triangle is  equal to 20%of the sum of the  other two angles of  a triangle. Write  a linear equation in two variables to represent the above statement .

Asked by Topperlearning User 4th June 2014, 1:23 PM
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