1.

`3sqrt(13824)xxsqrt(?)=864`A. 1296B. 1156C. 1600D. 1024

Answer» Correct Answer - A
`3sqrt(13824)xxsqrt(?)=864`
`3sqrt(24xx24xx24)xxsqrt(?)=864`
`3sqrt(24xx24xx24)xxsqrt(?)=864`
`rArr 24xxsqrt(?)=864`
`rArr sqrt(?)=(864)/(24)`
`:. ?=36xx36=1296`


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