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
Divide:(i) 3~by 13(ii) −2~by(−12)(iii) 0 by 7−9(iv) −58by14(v) −34 by −916
[514−25×559+(12+34)] is equal to: