MCQ

Share

If $x = a -b,$ then percentage error in $x$ will be

• A
  $\left( {\frac{{\Delta a}}{a} + \frac{{\Delta b}}{b}} \right) \times 100\,\% $
• B
  $\left( {\frac{{\Delta a}}{a} - \frac{{\Delta b}}{b}} \right) \times 100\,\% $
• ✓
  $\left( {\frac{{\Delta a}}{a-b} + \frac{{\Delta b}}{a-b}} \right) \times 100\,\% $
• D
  $\left( {\frac{{\Delta a}}{a-b} - \frac{{\Delta b}}{a-b}} \right) \times 100\,\% $