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
3. In how many different ways can the letters of the word ‘SIMPLE’ be arranged?
5. There is a polygon of 12 sides . How many triangles can be drawn using the vertices of polygon ?
7. In how many ways can 5 man draw water from 5 taps if no tap can be used more than once?
9. The number of circles that can be drawn out of 10 points of which 7 are collinear is