Total number of words formed by 2 vowels and 3 consonants taken from 4 vowels and 5 consonants is equal to
A.  60 
B.  120 
C.  7200 
D.  none of these 
Option: C Explanation : Click on Discuss to view users comments. sakthisree said: (6:38pm on Wednesday 23rd September 2015)
4P2*5P3=7200

The number of different permutations of the word BANANA is
A.  720 
B.  60 
C.  120 
D.  360 
Option: B Explanation : Click on Discuss to view users comments. SASIKALA K said: (8:03am on Wednesday 21st February 2018)
we have to find the no: of different permutation of this word.First we have to count the total no: of letters in it.Here it is 6find out how many letters are repeating in the word.Here A is repeated 3 times. N is repeated 2 times.then total no: of different permutation is 6!/(3!*2!)ANS: 60

There are four bus lines between A and B; and three bus lines between Band C.
The number of way a person roundtrip by bus from A to C by way of B will be
A.  12 
B.  48 
C.  144 
D.  264 
Option: A Explanation :
There are four ways to go from A to B and three ways to go from B to C,
Hence there are 4 x 3 = 12 ways to go from A to C by way of B
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