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136. A committee consisting of 3 men and 4 women is to be formed from a group of 7 men and 8 women.In how many ways can this be done?
137. The number of four_ digit odd numbers that can be formed using the digits 1,2,3,5,7,8 & 9 without repetition is ?
138. How many words can be formed with or without meaning using the letters of the word DALDA ?
139. How many 3 digits even numbers can be formed by using the digits 1,2,3,4,5 ,without repetition of the digits ?
140. How many words could be formed by the word BIRD if repetition is allowed ,taking all letters at a time ?
141. How many 7 digits even numbers can formed by using the digits 1,2,3,4,5,6,7, without repetition of the digits?
142. How many ways could be arranged in forming the words with or without meaning by using the the letters of the word PRICE ?
143. What are the number of ways of arranging 5 boys in a row such that two special boys can not sit together ?
144. Between two junctions A and B there are 12 intermediate stations. The number of ways in which a train can be made to stop at 4 of these stations, so that no two of the halting stations are consecutive is -
145. How many numbers could be arranged by using the digits 1,0,2,3,4 so that divisible by 10 ?
146. Take these letters ' REPSUOIV' as the letters of a word. In how many different ways can these letters be arranged in such a way that the vowels always come together?
147. Manu has 6 shirts and 5 trousers . The number of ways in which he ca wear them in different combination is ____
148.

Find the number of ways to arrange the letters in the word 'LETTER'

149.

5 students are to be seated in 5 seats .In how many different ways can they be seated

150.

Find the total number of words that can be formed out of 'CHENNAI'.

151.

Find the total number of words that can be made out of the letters of the word 'PARAJEET'

152.

Find the number of ways to arrange the letters in the word 'BETTER'

153.

In Ramakrishna Vidyalaya, Chennai District class VIII has58 students. From this group, a group of 8 boys and 6 girls was formed. From this small group in how many ways a group of 5 can be chosen as to include at least one girl?

154.

In how many ways can 10 Oranges and, 5 Mangoes, and 6 Apples can be placed in a row so that all same fruit placed together?

155.

How many ways 10 fruits can be arranged so that good and bad quality fruit never come together?

156.

How many ways the letter of the word " WORLD " be arranged? How many of these begin with ' W ' ?

157.

How many words can be formed by using all the letters of the word ‘TRIVANDRUM’ using each letter exactly once?

158.

The number of ways in which 8 different books can be arranged on a shelf so that 3 particular books shall not be together:

159.

Using all the letters of the word "NOKIA" how many words can be formed, which begin with N and end with A?

160.

In a room, there are some friends. Each of the persons present shakes hands with every other person present in the room. In all, there were a total of 276 handshakes. What is the number of persons present in the room?

161.

There are 5 green balls and 6 red balls in a box.you need to pick 4 each time .

1)all are from same colour.

2)2 are red and 2 are green.

3)any 4.