MBA Exam

The Set Sx={x,x+1,x+2,x+3,x+4} where x=1,2,3.......80..how many of these sets contain 6 or its multiple??

1) 60
2) 62
3) 66
4) 54

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MBA Other Question

wat is the total no of ways of selecting atleast one item from each of the 2 sets containing 6 identical items each ? 16 ;32;36;18

1) 1
2) 2
3) 3
4) 4
Given that 2.004<2.005, how many digits are there in the decimal representation of 101101?Clarification: The decimal representation of 210 is 210=1024, which has 4 digits.