Question 13
SSC-CGL 2020 Mar 3 Shift 1
Given x + y = 8, y + z = 13, z + x = 17, then the value of x²/yz = ?
Solution in Short
Adding the three equations gives x + y + z = 19. Subtracting each of the given equations from this one, we get x = 6, y = 2 and z = 11. Finally, x²/yz = 18/11 ans!
Solution in Detail
Write the given equations like this:
Adding all the three equations,
Equation (4) - (1) gives
Equation (4) - (2) gives
Equation (4) - (3) gives
More Solved Papers

This Blog Post/Article "(solved)Question 13 SSC-CGL 2020 March 3 Shift 1" by Parveen is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.