Questions
The number of words that can be formed by using the letters of the word MATHEMATICS that start as well as end with T is
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a
80720
b
90720
c
20860
d
37528
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Correct option is B
The word MATHEMATICS contains 11 letters viz. M, M, A, A T, T, H, E, I, C, S. The number of words that begin with T and end with T is9!2!2!=90720Similar Questions
The number of ways in which we can get at least 6 successive tails when a coin is tossed 10 times in a row, is
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