1.

A का न्‍यूनतम मान क्‍या है ‌ जिसके ‌लिए `90xx A` एक पूर्ण घन है?A. 200B. 300C. 500D. 600

Answer» Correct Answer - B
According to the question
`90xA=` perfect cube.
In this question go through option to save your valuable time.
`:.` Option (b)
`A=300`
`90xx300=27000`
(Perfect cube of 30)


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