Permutations and Combinations: JEE Main 2009 Mathematics question

JEE Main 2009 · Annual, Paper 1 · Q4839

JEE Main 2009Annual, Paper 1MathematicsMediumPermutations and Combinations98× since 2002

From 6 different novels and 3 different dictionaries, 4 novels and 1 dictionary are to be selected and arranged in a row on a shelf so that the dictionary is always in the middle. Then the number of such arrangement is :