MBA Exam

A function f(x) is defined for all real values of x as Min(–x2, x – 20, –x – 20). What is the maximum value of f(x)?

1) -16
2) -20
3) -25
4) -36

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MBA Other Question
A milk man mixed 4 liters of water with 10 liters of milk. He boiled one fourth of this mixture till the water content, in it, halved. Then he added it to remaining mixture. What is the proportion of milk in the entire solution.

1) 7/10
2) 13/15
3) 20/27
4) 5/6
 a^7*b^2*c^3*d^5=512. find the minimum value of a^7+2b^2+2c^3+2d^5

1) 32
2) 24
3) 56
4) 48