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1
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.
2
In a school there are 15 candidates for Science scholarship and 20 candidates for English scholarship. In how many ways either of these scholarships will be awarded?
35 ways.
25 ways.
300 ways.
150 ways.
3
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 ?
4
Compute factorial of 9
720
362880
40320
5040
5
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
Find the number of different ways so that the numbers 3, 7, 5 and 9 can be arranged , taking two number at a time.
16
64
256
7
If P(n , 4) = 20 X P(n , 2) , Find n.
8
There are 8 toy cars and 5 dolls in a shop. In how many ways the shopkeeper will either sell a toy car or a doll?
13 ways.
7 ways.
20 ways.
91 ways .
9
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 ?
10
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
11
Compute the expression
210
2730
32760
360360
There are 5 basket balls , 10 base balls and 2 cricket balls in a shop. In a how many ways players can buy three of them ?
100 ways.
17 ways.
13 ways .
13
How many committee of five persons with a chairperson can be selected form 12 persons?
3965
3960
3300
3360
14
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.
8 ways.
None of these.
15
How many words, with or without meaning, can be formed using all the letters of the word 'EQUATION', using each letter exactly once.
120
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
17
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
18
Compute the following expression
30240
151200
50400
19
Which of the following statement is /are correct?
(a) There are 20 dancers and 8 non dancers . In 160 ways the choreographer can choose a dancer and a non dancer .
(b) In a bakery there are 5 cakes ,7 pastries and 4 swiss rolls . In 16 ways a customer can buy a cake , pastry and a swiss role .
Only (a) is correct.
Only (b) is correct.
Both (a) and (b) are correct.
20
There are four parcels and five post offices. In how many ways can the parcels be sent by registered post?
1024 ways.
625 ways.