How many 3-digit numbers can be formed from the digits 2, 3, 5, 6, 7 and 9 which one divisible by 5 and none of the digits is repeated?
A). 5
B). 10
C). 15
D). 20
20
NA
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1. In how many ways can 5 different toys be packed in 3 identical boxes such that no box is empty, if any of the boxes may hold all of the toys ?
2. How many different words beginning with O and ending with E can be formed with the letters of the word ORDINATE, so that the words are beginning with O and ending with E?<
3. A group consists of 4 men, 6 women and 5 children. In how many ways can 3 men, 2 women and 3 children selected from the given group?
4. In how many different number of ways 5 men and 2 women can sit on a shopa which can accommodate persons?
5. How many ways can 4 prizes be given away to 3 boys, if each boy is eligible for all the prizes?
6. Directions: Given below are two quantities. Based on the given information, you have to determine the relation between the two quantities. Quantity A: Find the number of ways to distribute 7 different books to 5 different bookshelves if bookshelf 1 and 2 contain only one and two number of books respectively and rest of the bookshelves can contain any number of books. Quantity B: How many words having 3 consonants and 2 vowels can be formed out of 5 consonants and 4 vowels?
7. In how many different ways can 2 boys and 4 girls be arranged in a row such that all the boys stand together and all the girls stand together?
8. A teacher of 6 students takes 2 of his students at a time to a zoo as often as he can, without taking the same pair of children together more than once. How many times does the teacher go to the zoo?
9. In how many number of ways can the word ‘MUNDANE’ be arranged such that all the vowels take even positions as per the order of letters from left to right?
10. In a monthly test, the teacher decides that there will be there questions, one each from ex. 7, 8 and 9 of the text book. There are 12 questions in ex-7 , 18 in ex-8 and 9 in ex-9. In how many ways ca
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