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1
What will be the total ways in which 4 letter words can be formed from the letters of word MAHESH in which all vowels are always together?
12
6
68
72
2
Find the number of different ways so that the numbers 3, 7, 5 and 9 can be arranged , taking two number at a time.
4
16
64
256
3
There are 5 story books and 10 moral books in a book shop. In how many ways a student can buy a story book and a moral a book?
5 ways.
10 ways.
50 ways .
15 ways.
In a class there are 5 boys and 5 girls. The teacher wants to select a boy and a girl to represent the class in a function. In how many ways can the teacher make this selection ?
25 ways.
5
In a furniture shop there are 12 chairs and 15 tables. A customer can buy a chair and a table in how many ways ?
120 ways
180 ways
24 ways
27 ways
Compute factorial of 9
720
362880
40320
5040
7
If P( n, 5) = 20. P(n-3) , find n.
8
15
If nPr = 360 , find r.
9
In a book store there are 5 story books, 6 magazines and 2 English books . In how many ways the shopkeeper can give one of the three books to a child?
11 ways.
13 ways.
8 ways.
None of these.
10
All the three letters of the TAB are arranged to form different words without repeating any letter in an one word. The words so formed are, then arranged as in dictionary. What will be the position of the word TAB in that sequence ?
11
Among the 36 teachers in a school , one principal and one vice principal is to be appointed . In how many ways can this be done ?
1260
Compute the expression
210
2730
32760
360360
13
How many committee of five persons with a chairperson can be selected form 12 persons?
3965
3960
3300
3360
14
In how many ways can 6 persons stand in a queue?
120
360
Compute the following expression
489
640
306
204
Find the number of arrangements of the letters of the word INDEPENDENCE. In how many of these arrangements
(i) do the words start with P
(ii) do all the vowels always come together
1386 , 186
1680 , 13860
138600 , 16800
16800 , 138600
17
Which of the following statements are true:
1. In a class there are 10 boys and 8 girls. The teacher wants to select either a boy or a girl to represent the class in a function the teacher can perform this selection in 16 ways.
2. In a library there are 10 English and 5 Hindi books. The student has to select either a Hindi or English book, The student can perform this selection in 15 ways.
Only statement 1 is correct
Only statement 2 is correct
Both the statements are correct
Both the statements are incorrect
18
All the five letters of the word TABLE are arranged to form different words without repeating any letter in any word. The words so formed are, then arranged as in dictionary. What will be the position of the word TABEL in that sequence ?
96
97
91
301
19
How many words, with or without meaning, can be formed using all the letters of the word 'EQUATION', using each letter exactly once.
20
Find the total number of ways of answering five objective type questions each question having four choices.
625 ways.
1024 ways.
256 ways.
3125 ways.