sum of 1 - 50...!! fast..!!
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1+2+3+4+5+6+7+8+9+10= 55
11+12+13+14+15+16+17+18+19+20=155
21+22+23+24+25+26+27+28+29+30=255
31+32+33+34+35+36+37+38+39+40=355
41+42+43+44+45+46+47+48+49+50=455
55 + 155 + 255 + 355 + 455 = 1275
Heheh.... sry bout this metord
11+12+13+14+15+16+17+18+19+20=155
21+22+23+24+25+26+27+28+29+30=255
31+32+33+34+35+36+37+38+39+40=355
41+42+43+44+45+46+47+48+49+50=455
55 + 155 + 255 + 355 + 455 = 1275
Heheh.... sry bout this metord
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