4.1 Q1 1. Check whether the following are quadratic equations

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4.1 Q2-1 The area of a rectangular plot is 528 m2. The length of the plot (in metres) is one more than twice its breadth. We need to find the length and breadth of the plot.

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4.1 Q2-2 The product of two consecutive positive integers is 306. We need to find the integers.

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4.1 Q2-3 Rohan's mother is 26 years older than him. The product of their ages (in years) 3 years from now will be 360. We would like to find Rohan's present age.

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4.1 Q2-4 A train travels a distance of 480 km at a uniform speed. If the speed had been 8 km/h less, then it would have taken 3 hours more to cover the same distance. We need to find the speed of the train.

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4.2 Q1 Find the roots of the following quadratic equations by factorization:

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4.2 Q2-1 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. Find out how many marbles they had to start with.

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4.2 Q2-2 A cottage industry produces a certain number of toys in a day. The cost of production of each toy (in rupees) was....

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4.2 Q3 Find two numbers whose sum is 27 and product is 182.

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4.1 Q1 1. Check whether the following are quadratic equations

3
4.1 Q2-1 The area of a rectangular plot is 528 m2. The length of the plot (in metres) is one more than twice its breadth. We need to find the length and breadth of the plot.

4
4.1 Q2-2 The product of two consecutive positive integers is 306. We need to find the integers.

5
4.1 Q2-3 Rohan's mother is 26 years older than him. The product of their ages (in years) 3 years from now will be 360. We would like to find Rohan's present age.

6
4.1 Q2-4 A train travels a distance of 480 km at a uniform speed. If the speed had been 8 km/h less, then it would have taken 3 hours more to cover the same distance. We need to find the speed of the train.

7
4.2 Q1 Find the roots of the following quadratic equations by factorization:

8
4.2 Q2-1 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. Find out how many marbles they had to start with.

9
4.2 Q2-2 A cottage industry produces a certain number of toys in a day. The cost of production of each toy (in rupees) was....

10
4.2 Q3 Find two numbers whose sum is 27 and product is 182.