Recent questions tagged linear equations

A pair of equations are said to be consistent if they have

asked Aug 27, 2015 by pady_1

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The solution of the given equations are 4x+5y=20 and 8x+10y

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If 3x-2y=12 and 6x+y=9 , then find the value of x and y

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If 4x+3y=25 and 5x+2y=26 , then find the values of x and y

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A number consists of two digits. When it is divided by the sum of the digits, the quotient is 7. If 27 is subtracted from the number, the digits are reversed. Find the number.

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One number is 28 more than three times another number. If each number were multiplied by four, their difference would be 232. What are the numbers?

asked Aug 27, 2015 by pady_1

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A two- digits number is 4 more than 6 times the sum of its digits. If 18 is subtracted from the number the digits are reversed. Find the number.

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The sum of the digits of a two- digit number is 8. The number obtained by inter changing the two digits exceeds the given number by 36. find the number.

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when two lines are parallel then pair of linear equations

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The point of the form (a,a) always lie on

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How many linear equations are satisfied by x=1 and y=2

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If we multiply or devide both the side of a linear equation with a non zero number then the solution of the linear equation

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Any solution of the linear equation 2x+0y+9=0 in two variable is of the form

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If the numerator of a fraction is multiplied by 2 and its denominator is increased by 2, it becomes 6/7. If instead we multiply the denominator by 2 and increase the numerator by 2 it reduces to 1/2. What is the fraction?

asked Aug 27, 2015 by pady_1

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The equation 2x+5y=7 has a unique solution if x,y are

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x=5,y=2 is a solution of the linear equation

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The graph of the linear equation 2x+3y=6 cuts the y axis at the point

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If the lines given by 3x+2ky=2 and 2x+5y+1=0 are parallel then the value of k is

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The value of C for which the pair of eqautions cx-y=2, 6x-2y=3 will have infinitely many solution is

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one equation of a pair of dependent linear equations is -5x+7y=2 the second eqaution can be

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If x=a and y=b is the solution of the equations x-y=2 and x+y =4 then the value of a and b are, respectively

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The father's age is six times his son's age . Four years hence the age of father will be four times his son's age , The present age in years of the son and the father are respectively

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The pair of equation y=0 and y=-7 has

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Graphically the pair of equations 6x-3y+10=0, 2x-y+9=0 represents two line which are

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The pair of equation x+2y+5 = 0, -3x-6y+1=0 have

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1 answer

If a pair of linear equation is consistent then the lines will be

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A fraction becomes 4/5 if 1 is added to each of the numerator and the denominator. However, if we subtract 5 from each, the fraction becomes 1/2 find the fraction.

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Mala purchased 5 chairs and 2 tables for Rs. 1625. Reshma purchased 2 chairs and 1 table for Rs. 750. Find the cost per chair and per table.

asked Aug 27, 2015 by pady_1

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Ram is three times as old as Rahim. Five years later, Ram will be two-and-a –half times as old as Rahim. How old are Ram and Rahim now?

asked Aug 27, 2015 by pady_1

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An owner of a pizza stand sold small slices of pizza for Rs. 150 each and large slices for Rs. 250 each. One night he sold 5000 slices, for a total of Rs. 10.50 lakh. How many small slices were sold?

asked Aug 27, 2015 by pady_1

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A railway half ticket costs half the full fare and the reservation charge is the same on half ticket as on full ticket. One reserved first class ticket from Chennai to Trivandrum costs Rs. 216 and one full and one half reserved first class tickets cost Rs. 327. What is the basic first class full fare and what is the reservation charge?

asked Aug 27, 2015 by pady_1

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The sum of a two digit number and the number formed by interchanging its digits is 110. if 10 is subtracted from the first number, the new number is 4 more than 5 times the sum of the digits in the first number. find the first number.

asked Aug 27, 2015 by pady_1

1 answer

Two places A and B are 120 km apart from each other on a highway. A car starts from A B and another from B at the same time. If they move in the same direction, they meet in 6 hours and if they move in opposite directions, they meet in 1 hour and 12 minutes. Find the speeds of the cars.

asked Aug 27, 2015 by pady_1

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The sum of ages of venkat and bheema is 110 years and either ages is 20 years ago were in the ratio 4:3 the age of venkat in years is

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The sum of the munerator and denominator of a fraction is 3 less than twice the denominator. If the numerator and denominator are decreased by 1, the numerator becomes half the denominator. Determine the fraction.

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A person can row downstream 20 km in 2 hours and upstream 4 km in 2 hours. Find man’s speed of rowing is still water and the speed of the current.

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The sum of two digit number and the number obtained by reversing the order of its digit is 99. If the digits differ by 3, find the number.

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Three chairs and two tables cost Rs 1850. Five chairs and three tables cost Rs 2850. Find the cost of two chairs and two tables.

asked Aug 27, 2015 by pady_1

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Five years ago, Neeta was trice as old as Reeta. Ten years later, Neeta will be twice as old as Reeta, How old are Neeta and Reeta now?

asked Aug 27, 2015 by pady_1

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If x=-2 and y=3 is a solution of the equation 3x-5y=a then the value of a is

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The point (m,-m) always lie on the line

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A number is 27 more than the number obtained by reversing its digits. If its unit's and ten's digit are x and y respectively , write the linear equation representing the above statement.

asked Aug 27, 2015 by pady_1

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How many linear equations are satisfied by x=2 and y=-3

asked Aug 27, 2015 by pady_1

1 answer

If (4,19) is a solution of the equation y=ax+3 , then a=

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The positive solution of the equation ax+by+c=0 always lie in the

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Any point on the line y=x is of the form

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If x= 2k-1 and y=k is a solution of the equation 3x-5y-7=0, find the value of k.

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Find the value of k, if x=1 , y=1 is a solution of the equation 2x+3y=k

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Any point on the x axis is of the form

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If (2,0) is a solution of the linear equation 2x+3y=k then the value of k is

asked Aug 27, 2015 by pady_1

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