Recent questions tagged class9

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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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.

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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?

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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?

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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?

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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.

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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.

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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.

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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?

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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.

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

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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

asked Aug 27, 2015 by pady_1

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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

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1 answer

The linear equation 2x-5y=7 has

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if ac can be written in linear combination of ab and bc than ?

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Which one is correct ?

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skew lines never _____

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IF point b,c,d lie on the line ae than

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In any parallelogram the complements of the parallelograms about the diameter equal one another.

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A plane angle is the inclination to one another of two lines in a plane which meet one another and do not lie in a straight line.

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A boundary is that which is an extremity of anything.

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A semicircle is the figure contained by the diameter and the circumference cut off by it. And the center of the semicircle is the same as that of the circle.

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Rectilinear figures are those which are contained by straight lines, trilateral figures being those contained by three, quadrilateral those contained by four, and multilateral those contained by more than four straight lines.

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In parallelogrammic areas the opposite sides and angles equal one another, and the diameter bisects the areas.

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If in a triangle two angles equal one another, then the sides opposite the equal angles also equal one another.

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If a straight line falling on two straight lines makes the alternate angles equal to one another, then the straight lines are parallel to one another.

asked Aug 27, 2015 by pady_1

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If a straight line falling on two straight lines makes the exterior angle equal to the interior and opposite angle on the same side, or the sum of the interior angles on the same side equal to two right angles, then the straight lines are parallel to one another.

asked Aug 27, 2015 by pady_1

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