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Five times of a positive whole number is 3 less than twice the square of the number. The number is
- a)3
- b)4
- c)–3
- d)2
Correct answer is option 'A'. Can you explain this answer?
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Verified Answer
Five times of a positive whole number is 3 less than twice the square ...
Let the number be x
five times x=5x
3 less then twice of that number x=2x-3
So, 5x=2x-3
5x-2x=3
3x=3
x=3
answer is 3
Most Upvoted Answer
Five times of a positive whole number is 3 less than twice the square ...
Given: Five times of a positive whole number is 3 less than twice the square of the number.
Let's assume the number to be 'x'.
Mathematical representation of the given statement:
5x = 2x^2 - 3
Simplifying the equation:
2x^2 - 5x - 3 = 0
Solving the quadratic equation using the quadratic formula:
x = [5 ± √(5^2 - 4*2*(-3))]/(2*2)
x = [5 ± √(49)]/4
x = [5 ± 7]/4
x = 3/2 or x = -1
Since the given number is a positive whole number, the answer is x = 3. Therefore, option 'A' is the correct answer.
Let's assume the number to be 'x'.
Mathematical representation of the given statement:
5x = 2x^2 - 3
Simplifying the equation:
2x^2 - 5x - 3 = 0
Solving the quadratic equation using the quadratic formula:
x = [5 ± √(5^2 - 4*2*(-3))]/(2*2)
x = [5 ± √(49)]/4
x = [5 ± 7]/4
x = 3/2 or x = -1
Since the given number is a positive whole number, the answer is x = 3. Therefore, option 'A' is the correct answer.
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Community Answer
Five times of a positive whole number is 3 less than twice the square ...
If a is right then
5*3=2*(3)²-3
15=15
so,3 is verified answer (method os go by chooses)
5*3=2*(3)²-3
15=15
so,3 is verified answer (method os go by chooses)
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Five times of a positive whole number is 3 less than twice the square of the number. The number isa)3b)4c)–3d)2Correct answer is option 'A'. Can you explain this answer?
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Five times of a positive whole number is 3 less than twice the square of the number. The number isa)3b)4c)–3d)2Correct answer is option 'A'. Can you explain this answer? for CA Foundation 2024 is part of CA Foundation preparation. The Question and answers have been prepared according to the CA Foundation exam syllabus. Information about Five times of a positive whole number is 3 less than twice the square of the number. The number isa)3b)4c)–3d)2Correct answer is option 'A'. Can you explain this answer? covers all topics & solutions for CA Foundation 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Five times of a positive whole number is 3 less than twice the square of the number. The number isa)3b)4c)–3d)2Correct answer is option 'A'. Can you explain this answer?.
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