## Find the values of k for each of the following quadratic equations, so that they have two equal roots. (i) 2×2 + kx + 3 = 0 Q.2(1)

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What is the best solution of ncert class 10th of quadratic equation of exercise 4.4 of math, This is an ...Read more

## Is it possible to design a rectangular park of perimeter 80 and area 400 m2? If so find its length and breadth. Q.5

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## 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.Q.4

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## Is it possible to design a rectangular mango grove whose length is twice its breadth, and the area is 800 m2? If so, find its length and breadth. Q.3

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## Find the values of k for each of the following quadratic equations, so that they have two equal roots.(ii) kx (x – 2) + 6 = 0 Q.2(2)

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## Find the nature of the roots of the following quadratic equations. If the real roots exist, find them;(iii) 2×2 – 6x + 3 = 0 Q.1(3)

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## Find the nature of the roots of the following quadratic equations. If the real roots exist, find them;(ii) 3×2 – 4√3x + 4 = 0 Q.1(2)

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## Find the nature of the roots of the following quadratic equations. If the real roots exist, find them; (i) 2×2 – 3x + 5 = 0

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## Sum of the areas of two squares is 468 m2. If the difference of their perimeters is 24 m, find the sides of the two squares. Q.11

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## 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 speeds of the express train is 11 km/h more than that of the passenger train, find the average speed of the two trains. Q.10

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