In how many different ways can four different books on Chemistry and three different books on Maths be arranged so that any two Chemistry books are not together?
In how many different ways can four different books on Chemistry and three different books on Maths be arranged so that any two Chemistry books are not together?
Option 1 -
3! * 4!
Option 2 -
2 * 3! * 4!
Option 3 -
3! * 2!
Option 4 -
4! * 3!
Asked by Shiksha User
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1 Answer
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Correct Option - 4
Detailed Solution:(d):The three different Maths books can be arranged in 3! ways. Now there are four places created for the Chemistry books such that they are not together.
The four Chemistry books can be arranged in the available four places in 4! ways.
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