Subject
Quantitative Aptitude
Topic
Miscellaneous
Adding 20 to the square root of which number gives the square of 5?
Adding 20 to the square root of which number gives the square of 5?
ক)
16খ)
25গ)
9ঘ)
125Explanation
ধরি ,সংখ্যাটি x শর্ত মতে , √x+২০=(৫)² বা √x=২৫-২০ বা √x=৫ বা x=৫² ∴ x=২৫Related questions
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