8th Class
Mathematics
Sample Paper
Mathematics Sample Paper-7
question_answer
If \[\mathbf{P}:\mathbf{Q}:\mathbf{R}=\mathbf{2}:\mathbf{3}:\mathbf{4}\]and\[{{\mathbf{P}}^{\mathbf{2}}}+{{\mathbf{Q}}^{\mathbf{2}}}+{{\mathbf{R}}^{\mathbf{2}}}=\mathbf{11600}\], then find\[\mathbf{P}+\mathbf{Q}-\mathbf{R}\], where P, Q and R are whole numbers.