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4.2 Q4 Find two consecutive positive integers, sum of whose squares is 365.

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4.2 Q5 The altitude of a right triangle is 7 cm less than its base. If the hypotenuse is 13 cm, find the other two sides.

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4.2 Q6 A cottage industry produces a certain number of pottery articles in a day. It was observed on a particular day that the cost of production ...

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4.3 Q1 Find the roots of the following quadratic equations, if they exist, by the method of completing the square:

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4.3 Q2 Find the roots of the quadratic equations by applying the quadratic formula.

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4.3 Q3 Find the roots of the following equations:

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4.3 Q4 The sum of the reciprocals of Rehman's ages, (in years) 3 years ago and 5 years from now is 1/3. Find his present age.

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4.3 Q5 In a class test, the sum of Shefali's marks in Mathematics and English is 30. Had she got 2 marks more .......

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4.3 Q6 The diagonal of a rectangular field is 60 metres more than the shorter side. If the longer side is 30 metres ...

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4.3 Q7 The difference of squares of two numbers is 180. The square of the smaller ......