JEE PYQ

[JEE Main 2009] from 6 novels and 3 dictionaries 4 novels and 1 dictionary are arranged in

VAVidaara Admin Asked 2d ago 0 views 1 answer
#PYQJEE#JEE#JEE Main#2009#selections#Permutations and Combinations

From $6$ novels and $3$ dictionaries, $4$ novels and $1$ dictionary are arranged in a row with the dictionary in the middle. The number of arrangements is

(a) at least $500$ but $<750$
(b) at least $750$ but $<1000$
(c) at least $1000$
(d) less than $500$

1 Answer

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

Correct answer: (c) at least $1000$

$\binom64\cdot3\cdot4!=15\cdot3\cdot24=1080\ge1000$.

JEE Main 2009 · Permutations and Combinations — verified solution by the Vidaara Team.

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