MBA Exam

for positive real values A,B,C,D such that A+B+C+D=8 .Find the minimum value of 1/A +1/B +1/C +1/D ??

1) 1
2) 2
3) 2root(2)
4) 3

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MBA Other Question

If the area of the base of a regular hexagonal pyramid is 24√3 and one of its slant side is 4√6 , find its volume?

1) 12√3
2) 48√15
3) 96
4) 288√2
If a > 0, b > 0, c > 0 and 30abc = 256. Find minimum value of 3a + 4b + 5c?

1) 28
2) 18
3) 24
4) 48