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![[Post New]](/templates/default/images/icon_minipost_new.gif) 10 Oct 2007 00:42:20 IST
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Q.3
4 cases r there
1------x=ynot=z here total cases r 8*7(there r 8 option fo x(or y) 7 for z
2------x=znot=y same as above
3------z=ynot=x again same as above
4------x=z=y there r 8 cases 1 for each element
total------------3*8*7 + 8 = 176
if u find it correct dorate
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