1.

If `x^yxxy^x=800`, then find `x-y` (where x and y are positive integers and `xgt y`).A. 2B. 5C. 4D. 3

Answer» Correct Answer - D
`x^yxxy^x=800`
`rArr x^y xx y^x=25xx32`
`rArr 5^2xx2^5=x^yxxy^x(because x gt y)`
`rArrx-y=5-2=3`
Hence the correct option is (d).


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