a man has 6 friends. In how many ways can he invite one or more of them to a party?
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216 ways
itz almost 6³=216
sorry....itz the concept of premu. n combination
so the correct ans may be
6*5*4*3*2*1=720
itz simply if v invite 6 frnds 1 by 1 then itz 6,
if 1 n 2 then itz 5
smlrly upto 1....
itz almost 6³=216
sorry....itz the concept of premu. n combination
so the correct ans may be
6*5*4*3*2*1=720
itz simply if v invite 6 frnds 1 by 1 then itz 6,
if 1 n 2 then itz 5
smlrly upto 1....
bpss1:
why is it 6^3?
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