1.

यदि `**` किसी संख्या को अंकित करता है तो `5 3/(**)xx3 1/2=19` में `**` का मान क्या है?A. 7B. 4C. 6D. 2

Answer» Correct Answer - A
According to the question
`implies 53/x xx 3 1/2 =19`
`= ((5x+3)/x)xx 7/2=19`
`implies (5x+3)/x=38/7`
`implies25x+21=38x`
`=3x=21impliesx=7`


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