JEE PYQ

[JEE Main 2006] a voter may vote for any number of candidates up to 4 of 10

VAVidaara Admin Asked 2d ago 0 views 1 answer
#PYQJEE#JEE#JEE Main#2006#selections#Permutations and Combinations

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 · 2d 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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