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Question

The number of words from the letters of the word 'Bharat' in which B and H will never come together, is

A

360

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B

240

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C

120

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D

None of these

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Solution

The correct option is C (240)

Given word is BHARAT.
Total number of letters =6, In which 'A' repeated twice.
Number of different words formed =6!2!

=6×5×4×3

=360

Number of words in which the letters B and H are always together = 2×5!2!
Here, B and H are together consider as a bunch, so we get 5 letters and again B and H can be interchanged 2! ways in them selves.
Thus, 2×5!2!=5×4×3×2
=120

Number of words in which the letters B and H are never together =360120=240


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