GMAT Question of the day

The number of solution of √(x + 3 )+ √ x = 1, is
(a) two
(b) one
(c) no solution.
(d) None of these

Consider x > 0 ,then

√(x + 3) > √ 3 > 1, so the value of expression will be more than 1,

so no solution is possible.