MBA Exam

If E = |x| + |x - 1| + |x - 2| + |x - 3| + |x - 4|, for how many integral values of x is E less than or equal to 54?

1) 5
2) 13
3) 20
4) 21

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MBA Other Question

A number n has 3 primes(2,3,5)..It has 64 factors which are perfect cubes and 27 factors which are perfect 4th powers....How many values can n take??

1) 5
2) 4
3) 3
4) 6
What is the sum of all positive rationals p/30 (in lowest terms) which are less than 10?

1) 360
2) 400
3) 450
4) None of these