Practicing Success

Target Exam

CUET

Subject

General Test

Chapter

Quantitative Reasoning

Topic

Algebra

Question:

Find the value of x in \(\sqrt[3]{15625}-\sqrt{x}= 4.\)

Options:

625

343

441

81

Correct Answer:

441

Explanation:

 \(\sqrt[3]{15625}-\sqrt{x}= 4.\)

= 25 - $\sqrt{x}$ = 4

= $\sqrt{x}$ = 25 - 4

=  $\sqrt{x}$ = 21

Squaring on both sides, x = 441