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Class 10MathematicsQuadratic EquationsWord Problems and ApplicationsHardLevel 41
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When (175) is added to the square of a number, the result is (1076). What is the positive number?

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Answer and explanation

Correct answer: (30)

(x^2+175=1076) gives (x^2=901), not a perfect square. If the data are inconsistent, do not choose options blindly.

Related tags

Quadratic EquationsError SpottingNumber Square

Frequently asked questions

What is the correct answer to this question?

(30)

Why is this the correct answer?

(x^2+175=1076) gives (x^2=901), not a perfect square. If the data are inconsistent, do not choose options blindly.

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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10 more MCQs
  1. 1The square of a number is 6 more than 5 times the number. If the number is x, what is the equation?
  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?
  4. 4A rectangle has length (3) cm more than its breadth and area (70) square cm. What is the breadth?
  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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