Maheshwari wants to buy 7 floors in an 68 storied building whose numbering stars from 1 upto 68. But she has to follow certain rules which are as follows :
1) None of the floor should be a prime number
2) None of the digit of the floor should be a prime number
3) Maheshwari cannot buy the 1st floor as it is being assigned to the architect.
So how many options are left with Maheshwari to buy the floors ?5
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Q: Maheshwari wants to buy 7 floors in an 68 storied building whose numbering stars from 1 upto 68. But she has to follow certain rules which are as follows : 1) None of the floor should be a prime number 2) None of the digit of the floor should be a prime number 3) Maheshwari cannot buy the 1st floor as it is being assigned to the architect. So how many options are left with Maheshwari to buy the floors ?
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