In how many ways can the letters of the word 'LEADER' be arranged?
360
720
120
None Of These
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1
Discuss

The value of ^{75}P_{2}
Solution 
2
Discuss

In how many different ways can the letters of the word 'MATHEMATICS' be arranged so that the vowels always come together
Solution 
3
Discuss

A biased coin in tossed thrice. What is the probability that heads turns out at least twice considering that the probability of a head is 60%?
Solution 
4
Discuss

Six boys and 4 girls are to be seated in two separate rows with five chairs each, such that two particular girls are always together and all the girls are not in the same row. In how many ways can they be seated?
Solution 
5
Discuss

Seven different objects must be divided among three people. In how many ways can this be done if one or two of them must get no objects?
Solution 
6
Discuss

If ,, are probabilities of three mutually exclusive events, then
SolutionAnswer :1/2 
7
Discuss

Two dice are thrown simultaneously. What is the probability of getting two numbers whose product is even?
Solution 
8
Discuss

In how many ways can 10 people line up at a ticket window of a railway station?
Solution 
9
Discuss

How many numbers can be formed from 1, 2, 3, 4, 5 (without repetition), when the digit at the unit’s place must be greater than that in the ten’s place?
Solution 
10
Discuss

In a group of 6 boys and 4 girls, four children are to be selected. In how many different ways can they be selected such that at least one boy should be there?
Solution 
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