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`sqrt(?)-11=sqrt(1521)`A. `sqrt(2500)`B. `(28)^(2)`C. `sqrt(28)`D. None of these |
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Answer» Correct Answer - D `sqrt(?) -11=sqrt(1521)` `rArr sqrt(?)-11=39` `rArr sqrt(?)= 39 + 11=50` `:. ?=(50)^(2)=2500` |
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