For a group photograph, 3 boys and 4 girls stand in a line in all possible ways. How many photos could be taken if each photo corresponds to each such arrangement?
A). 5020
B). 5040
C). 5060
D). 5080
How many 6 letter words can be formed with the letters of the word 'POLICY' such that the vowels occur only at even places.
A). 6
B). 21
C). 24
D). 144
How many quadrilaterals can be formed by joining the vertices of an octagon?
A). 80
B). 70
C). 40
D). 50
In how many ways a committee, consisting of 5 men and a women can be formed form 8 men and 4 women?
A). 266
B). 5040
C). 11760
D). 86400
In how many different ways can the letters of the word 'BELIEVE' be arranged?
A). 840
B). 1680
C). 2520
D). 5040