How many words, can be formed from the letters of the word 'EXTRA' so that the vowels one never together?
A). 1365
B). 1355
C). 1345
D). 1335
1365
NA
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1. How many arrangements of the letters of the word BEGIN can be made, without changing the place of the vowels in the word?
2. A committee has 5 men and 6 women. What are the number of ways of selecting 2 men and 3 women from the given committee?
3. A delegation of 5 members has to be formed from 3 ladies and 5 gentlemen. In how many ways the delegation can be formed, if 2 particular ladies are always included in the delegation?
4. In How many ways is it possible to make a selection by taking any number of 15 fruits, namely 3 oranges, 5 apples and 7 mangoes?
5. In how many ways can an animal trainer arrange 5 lions and 4 tigers in a row so that no two lions are together?
6. How many different five-letter words can be formed using the letter from the world APPLE?
7. In the next World cup of cricket there will be 12 teams, divided equally in two groups. Teams of each group will play a match against each other. From each group 3 top teams will qualify for the next
8. In how many different ways can the letters of the word 'JUDGE' be arranged such that the vowels always come together?
9. Find the value of 9p4?
10. In how many ways can the letters of the word 'LEADER' be arranged?
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