IF (14) 3 is added to the square of a number, the answer to obtained is 4425. What is the number?

Q: IF (14) 3 is added to the square of a number, the answer to obtained is 4425. What is the number?

Let the number be x. According to the question, x2 + (14)3 = 4425 ⇒ x2 = 4425 - (14)3 ⇒ x2 = 4425 - 2744 ⇒ x2 = 1681 ∴ x = √1681 = 41

1849
43
41
1681

Correct Answer: 41

Explanation:

Let the number be x.
According to the question,
x² + (14)³ = 4425
⇒ x² = 4425 - (14)³
⇒ x² = 4425 - 2744
⇒ x² = 1681
∴ x = √1681 = 41

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