Question 9(c) Use the sign of >, < or = in the box to make the statements true. 23−41+11□23−41−11
Without doing te actual addition, find the sum of :
(i) 1+3+5+7+9+11+13+15+17+19+21+23
(ii) 1+3+5+7+9+....... +39+41
(iii) 1+3+5+7+9+........+51+53