quadratic equations

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eduhilfe

Asked: June 2, 2020In: NCERT 10th Maths

Is it possible to design a rectangular park of perimeter 80 m and area 400 $\mathbff{m^2}$ ? If so, find its length and breadth.

eduhilfe

Asked: June 2, 2020In: NCERT 10th Maths

Is the following situation possible? If so, determine their present ages. The sum of the ages of two friends is 20 years. Four years ago, the product of their ages in years was 48.

eduhilfe

Asked: June 2, 2020In: NCERT 10th Maths

Is it possible to design a rectangular mango grove whose length is twice its breadth, and the area is 800 $m^2$ ? If so, find its length and breadth.

eduhilfe

Asked: June 2, 2020In: NCERT 10th Maths

Find the values of k for each of the following quadratic equations, so that they have two equal roots.

eduhilfe

Asked: June 2, 2020In: NCERT 10th Maths

Find the nature of the roots of the quadratic equation $\mathbff{2x^2-6x+3=0}$ . If the real roots exist, find them.

eduhilfe

Asked: June 2, 2020In: NCERT 10th Maths

Find the nature of the roots of the quadratic equation $\mathbff{3x^2- 4\sqrt{3}x+4=0}$ . If the real roots exist, find them.

eduhilfe

Asked: June 2, 2020In: NCERT 10th Maths

Find the nature of the roots of the quadratic equation $\mathbff{2x^2-3x+5=0}$ . If the real roots exist, find them.

eduhilfe

Asked: June 2, 2020In: NCERT 10th Maths

Sum of the areas of two squares is 468 $m^2$ . If the difference of their perimeters is 24 m, find the sides of the two squares.

eduhilfe

Asked: June 2, 2020In: NCERT 10th Maths

An express train takes 1 hour less than a passenger train to travel 132 km between Mysore and Bangalore (without taking into consideration the time they stop at intermediate stations). If the average speed of the express train is 11km/h more than that of the passenger train, find the average speed of the two trains.

eduhilfe

Asked: June 2, 2020In: NCERT 10th Maths

Two water taps together can fill a tank in $\mathbff{9\frac{3}{8}}$ hours. The tap of larger diameter takes 10 hours less than the smaller one to fill the tank separately. Find the time in which each tap can separately fill the tank.

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Is it possible to design a rectangular park of perimeter 80 m and area 400 $\mathbff{m^2}$ ? If so, find its length and breadth.

Is the following situation possible? If so, determine their present ages. The sum of the ages of two friends is 20 years. Four years ago, the product of their ages in years was 48.

Is it possible to design a rectangular mango grove whose length is twice its breadth, and the area is 800 $m^2$ ? If so, find its length and breadth.

Find the values of k for each of the following quadratic equations, so that they have two equal roots.

Find the nature of the roots of the quadratic equation $\mathbff{2x^2-6x+3=0}$ . If the real roots exist, find them.

Find the nature of the roots of the quadratic equation $\mathbff{3x^2- 4\sqrt{3}x+4=0}$ . If the real roots exist, find them.

Find the nature of the roots of the quadratic equation $\mathbff{2x^2-3x+5=0}$ . If the real roots exist, find them.

Sum of the areas of two squares is 468 $m^2$ . If the difference of their perimeters is 24 m, find the sides of the two squares.

Two water taps together can fill a tank in $\mathbff{9\frac{3}{8}}$ hours. The tap of larger diameter takes 10 hours less than the smaller one to fill the tank separately. Find the time in which each tap can separately fill the tank.

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