Question

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

Solution

Correct option is

90720

The MATHMATICES 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

                .   

SIMILAR QUESTIONS

Q1

, then value of is

Q2

 is maximum where m is   

 

Q3

An eight digit number divisible by 9 is to be formed by using 8 digits out of the digits 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 without replacement. The number of ways I which this can be done is  

Q4

The number of rational numbers lying in the interval (2008, 2009) all whose digits after the decimal point are non-zero and are in deceasing order is

Q5

The number of positive integral solutions of the equation  is

Q6

The exponent of 7 in 100C50 is

Q7

In the certain test there are n questions. In this test 2k students gave wrong answers to at least (n – k) questions, where k = 0, 1, 2, …, n. If the total number of wrong answer is 4095, then value of n is 

Q8

If n > 1 and n divides (n – 1)! + 1, then 

Q9

In a group of 8 girls, two girls are sisters. The number of ways in which the girls can sit so that two sisters are not sitting together is