Muft Shiksha
Update

Muft Shiksha™ एक 100% Free Education Portal है 🇮🇳, जिसका उद्देश्य Class 9–12 के हर विद्यार्थी तक High-Quality Education को पूरी तरह मुफ्त पहुँचाना है। 🇮🇳 हम मानते हैं कि अच्छी शिक्षा किसी student की आर्थिक स्थिति पर निर्भर नहीं होनी चाहिए। 🇮🇳 हर विद्यार्थी को वही Quality Study Material, MCQs, Quizzes, Exam Preparation, Concept-Based Learning और Bilingual Support मिलना चाहिए, जो आमतौर पर महंगी Coaching या Premium Platforms में मिलता है। Muft Shiksha™ 🇮🇳 इसी सोच के साथ बनाया गया है

Subjects
Class 10MathematicsQuadratic EquationsWord Problems and ApplicationsEasyLevel 40
0 reads0 ratings0 helpful

The square of a positive number is (45) more than (4) times the number. What is the number?

Advertisement

Answer and explanation

Correct answer: (9)

(x^2=4x+45) gives (x^2-4x-45=0), and the positive solution is (9). In such questions, convert the sentence directly into an equation.

Related tags

Quadratic EquationsNumber ProblemWord Problems

Frequently asked questions

What is the correct answer to this question?

(9)

Why is this the correct answer?

(x^2=4x+45) gives (x^2-4x-45=0), and the positive solution is (9). In such questions, convert the sentence directly into an equation.

Which subject and chapter does this question cover?

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

Was this question useful?

No ratings yetWrite a review / Rate this question

Student Reviews

No published reviews yet.

KEEP PRACTISING

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 sum of two numbers is 17 and their product is 72. What is the smaller number?
Advertisement

Add Muft Shiksha to your Home Screen

In Safari, tap Share, then Add to Home Screen.