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प्रश्न
The number of words from the letters of the word 'BHARAT' in which B and H will never come together, is
विकल्प
360
240
120
none of these.
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उत्तर
240
Total number of words that can be formed of the letters of the word BHARAT =\[\frac{6!}{2!}\]= 360
Number of words in which the letters B and H are always together = \[2 \times\]\[\frac{5!}{2!}\]= 120
∴ Number of words in which the letters B and H are never together = 360 - 120 = 240
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