[JEE Main 2006] A voter may vote for any number of candidates up to $4$ (of $10$). If he votes for at least one, the number of ways is
A voter may vote for any number of candidates up to $4$ (of $10$). If he votes for at least one, the number of ways is
(a) $5040$
(b) $6210$
(c) $385$
(d) $1110$
1 Answer
VAVidaara Admin
✓ Vidaara Team
✓ Accepted
· 1mo ago
▲ 0
Correct answer: (c) $385$
$\binom{10}1+\binom{10}2+\binom{10}3+\binom{10}4=10+45+120+210=385$.
JEE Main 2006 · Permutations and Combinations — verified solution by the Vidaara Team.
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