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:

Question

Tardigrade Admin · Accepted Answer

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 is (9 !/2 ! 2 !)=90720

Q. 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:

80720

90720

20860

37528

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 $T$ is
$\frac{9 !}{2 ! 2 !} = 90720$

Q. 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:

80720

90720

20860

37528

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 is 2!2!9!​=90720

Q. 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:

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 $T$ is
$\frac{9 !}{2 ! 2 !} = 90720$