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Subjects
Class 10MathematicsQuadratic EquationsWord Problems and ApplicationsExpertLevel 40
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The square of (18) more than a number is (4096). In the positive case, what is the number?

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Answer and explanation

Correct answer: (46)

((x+18)^2=4096) and (x+18=64), so (x=46). If the positive case is clear, take the positive square root.

Related tags

Quadratic EquationsSquare ExpressionNumber Problem

Frequently asked questions

What is the correct answer to this question?

(46)

Why is this the correct answer?

((x+18)^2=4096) and (x+18=64), so (x=46). If the positive case is clear, take the positive square root.

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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  5. 5A rectangle has breadth (6) m and area (96) square m. If its length is (x) m, which equation is correct?
  6. 6A square garden has area (169) square m. What is its side?
  7. 7A square field has area (225) square m. What is its perimeter?
  8. 8A number multiplied by its next integer gives (56). What is the number?
  9. 9The square of a positive number is (24) more than (5) times the number. What is the number?
  10. 10The square of a positive number is (45) more than (4) times the number. What is the number?
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