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प्रश्न
3 boys and 3 girls are to sit in a row. How many ways can this be done if there are no restrictions
योग
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उत्तर
As there is no restriction
Required number = 6! = 720
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क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 3: Permutations and Combination - Exercise 3.3 [पृष्ठ ५५]
