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Class 10MathematicsQuadratic EquationsWord Problems and ApplicationsEasyLevel 40
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A rectangle has length (3) cm more than its breadth and area (70) square cm. What is the breadth?

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Answer and explanation

Correct answer: (7) cm

Taking breadth as (x), (x(x+3)=70), which gives (x=7). In area questions, do not forget length times breadth.

Related tags

Quadratic EquationsRectangleArea

Frequently asked questions

What is the correct answer to this question?

(7) cm

Why is this the correct answer?

Taking breadth as (x), (x(x+3)=70), which gives (x=7). In area questions, do not forget length times breadth.

Which subject and chapter does this question cover?

This is a Class 10 Mathematics question. Chapter: Quadratic Equations. Topic: Word Problems and Applications.

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  2. 2The product of two consecutive positive integers is (72). What is the smaller integer?
  3. 3The product of two consecutive positive integers is (132). What is the larger integer?
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  6. 6A square field has area (225) square m. What is its perimeter?
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  8. 8The square of a positive number is (24) more than (5) times the number. What is the number?
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  10. 10The sum of two numbers is 17 and their product is 72. What is the smaller number?
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