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 : 
The number of different permutations of the word BANANA is
A.  720 
B.  60 
C.  120 
D.  360 
Option: B Explanation : 
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
