121.
In how many different ways can the letters of the word OPERATE be arranged ?

122.
Out of 5 women and 4 men, a committee of three members is to be formed in such a way that at least one member is a women. In how many different ways can it be done ?

123.
In how many ways a committee consisting of 5 men and 6 women can be formed from 8 men and 10 women ?

124.
In how many different ways can the letters of the word GAMBLE be arranged?

125.
In how many different ways can the letters of the word RUMOUR be arranged?

126.
In how many different ways can the letters of the word ‘TRANSPIRATION’ be arranged so that the vowels always come together?

127.
In how many different ways can the letters of the word CAPITAL be arranged so that the vowels always come together?

128.
A committee of 5 members is to be formed by selecting out of 4 men and 5 women. In how many different ways the committee can be formed if it should have 2 men and 3 women?

129.
In how many different ways can the letters of the word INCREASE be arranged?

130.
In how many different ways can the letters of the word CREATE be arranged?

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