Question 31: For the sum: A = 0 +1 + 2 + …. + 9 + 10 the result is:

\(\begin{array}{l} A{\rm{ }} = \;{\rm{ }}0{\rm{ }} + 1{\rm{ }} + {\rm{ }}2{ \rm{ }} + {\rm{ }}…. {\rm{ }} + {\rm{ }}9{\rm{ }} + {\rm{ }}10\\ = (0 + 10) + (1 + 9) + (2 + 8) + … + 5\\ = 55 \end{array}\)

Choose the answer NO