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Deepak and Sudhir together have 26 marbl...

Deepak and Sudhir together have 26 marbles. Both of them lost 3 marble each, and the product of the number of marbles they now have is 91. Represent it as a quadratic equation.

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John and Jivanti together have 45 marbles. Both of them lost 5 marbles each,and the product of the number of marbles they now have is 124. Form the quadratic equation to find how many marbles they had to start with, if John had x marbles

John and Jivanti together have 45 marbles. Both of them lost 5 marbles each,and the product of the number of marbles they now have is 128. Form the quadratic equation to find how many marbles they had to start with, if John had x marbles.

Represent the following situations mathematically: (i) John and Jivanti together have 45 marbles. Both of them lost 5 marbles each, and the product of the number of marbles they now have is 124. We would like to find out how many marbles they had to start with. (ii) A cottage industry produces a certain number of toys in a day. The cost of production of each toy (in rupees) was found to be 55 minus the number of toys produced in a day. On a particular day, the total cost of production was Rs 750. We would like to find out the number of toys produced on that day.

Represent the following situations mathematically: (i) John and Jivanti together have 45 marbles. Both of them lost 5 marbles each and the product of the number of marbles they now have is 124. We would like to find out how many marbles they had to start with. A cottage industry produces a certain number of toys in a day. The cost of production of each toy (in rupees) was found to be 55 minus the number of toys produced in a day. On a particaular day, the total cost of production was RS.750. We would like to find out the number of toys produced on that day.

Rohans mother is 26 years older than him.The product of their ages 3 years from now will be 360 .Formulate the quadratic equation to find their ages.

Amar ,Bhuvan and Chetan have some marble with them. Bhuvan has 20% more marbles than Amar and Chetan has 10% less marbles than Bhuvan . If the total number of marbles with them is 328 then find the number of marble with Bhuvan.

There are 6 marbles in a box with numbers from 1 to 6 marked on each of them.What is the probability of drawing a marble with number 5?

MTG IIT JEE FOUNDATION-QUADRATIC EQUATIONS-SOLVED EXAMPLE
  1. Deepak and Sudhir together have 26 marbles. Both of them lost 3 marble...

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  2. A train travels a distance of 720 km at a uniform speed. If the speed ...

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  3. If the roots of the equation (a^2+b^2)x^2-2(a c+b d)x+(c^2+d^2)=0 are ...

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  4. Solve the following quadratic equations by fractorisation. x^(2) + ...

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  5. Solve the following quadratic equations by fractorisation. x^(2) + ...

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  6. Solve the following quadratic equations by factorization method: x^2+(...

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  7. Solve each of the following quadratic equations: 4x^(2)-4a^(2)x+(a^(...

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  8. Solve: 5^((x+1))+5^((2-x))=5^(3)+1.

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  9. Solve for x : (1)/((x-1)(x-2))+(1)/((x-2)(x-3))+(1)/((x-3)(x-4))=(1)/(...

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  10. Solve for x : x^(2) + 8x + 4 = 0

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  11. Solve the quadratic equation 9x^2-15 x+6=0 by the method of complet...

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  12. Find the roots of the quadratic equation 3x^(2) + 6x + 1 = 0

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  13. Some students planned a picnic. The budget for food was Rs 500. But...

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  14. ab x^2+(b^2-a c)x-b c=0

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  15. Solve for x: 9x^2-9(a+b)x+(2a^2+5ab+2b^2)=0

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  16. The side of a square exceeds the side of the another square by 4 cm...

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  17. Solve for : x :(x-1)/(x-2)+(x-3)/(x-4)=3 1/3,x!=2,4

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  18. (1)/((x-3))-(1)/((x+5))=(1)/(6),(x!=3,-5)

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  19. If-4 is a root of the quadratic equation x^2+p x-4=0 and the quadratic...

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  20. If the sum of first n even natural numbers is 420, find the value of n...

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