1.

There are 5 different caps c_1,c_2,c_3,c_4 and c_5 and 5 different boxes B_1,B_2,B_3,B_4 and B_5. The capacity of each box is sufficient to accommodate all the 5 caps. If C_1 and C_5 are similar in all aspects, in how many ways can you arrange the caps in such a way that all the boxes have one cap?

Answer»

A) 70
B) 60
C) 75
D) 80

Answer :B


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