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Standard XII

Mathematics

Union

If 5 maths,...

Question

If $5$ maths, $3$ physics, $2$ chemistry books are arranged in a shelf so that all physics books and chemistry do not come together, then possible number of arrangements is

7! 6! 3!

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{^{7} P}_{2} 6! 3!

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{^{7} P}_{2} 6! 4!

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Solution

The correct option is B ${^{7} P}_{2} 6! 3!$

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If 5 maths, 3 physics, 2 chemistry books are arranged in a shelf so that all physics books and chemistry do not come together, then possible number of arrangements is

The correct option is B 7P26!3!

If $5$ maths, $3$ physics, $2$ chemistry books are arranged in a shelf so that all physics books and chemistry do not come together, then possible number of arrangements is

The correct option is B ${^{7} P}_{2} 6! 3!$