JEE PYQ

[JEE Advanced 1982] eight chairs are numbered 1 8 two women first choose chairs from 1 4

VAVidaara Admin Asked 2d ago 0 views 1 answer

Eight chairs are numbered $1$–$8$. Two women first choose chairs from $1$–$4$, then three men choose from the remaining chairs. The number of possible arrangements is

(a) $\binom63\times\binom42$
(b) $^4P_2\times{}^6P_3$
(c) $\binom42+{}^4P_3$
(d) none of these

1 Answer

VAVidaara Admin ✓ Vidaara Team ✓ Accepted · 2d ago ▲ 0

Correct answer: (b) $^4P_2\times{}^6P_3$

Women: $^4P_2$ from chairs $1$–$4$; men: $^6P_3$ from the remaining $6$ chairs. Product $^4P_2\times{}^6P_3$.

JEE Advanced 1982 · Permutations and Combinations — verified solution by the Vidaara Team.

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