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Number of arrangements of the letters abcd in which neither ab nor cd come together |
Answer» 8 Number of arrangements of the LETTERS abcd in which neither ab nor cd come togetherStep-by-step explanation: a B c d Total possible arrangement = 4! = 24 Taking a&b as 1 while a & b can be arranged in 2 Ways 3!*2 = 12 Ways Taking c&d as 1 while c & d can be arranged in 2 ways 3!*2 = 12 Ways a&b & c&d both come together 2!*2*2 = 8 Ways neither ab nor cd come together = 24 - 12 - 12 + 8 = 8 Ways 8 Number of arrangements of the letters abcd in which neither ab nor cd come together Learn more: the number of arrangements in which the letters of the word monday ... In how many ways, can the letters of the word PENCIL be arranged ... Find the number of seating arrangements FOR3 men and 3 women to ... |
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