MBA Exam

The product of ten positive real numbers Pi where i = 1, 2, 3, …… 10 is 1/100 . What is the minimum value of the expression (p210 + 1) (p29 + p1) (p28+ p2) (p27+ p3) (p26+ p4) (p25 + p5) (p24+ p6) (p23 + p7) (p22 + p8) (p21 + p9) (12+ p10) ?

1) (4/sqrt(5))<sup>2</sup>
2) (3/2 sqrt(5))<sup>2</sup>
3) (18/5 sqrt(5))<sup>2</sup>
4) (16/5 sqrt(5))<sup>2</sup>

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MBA Other Question
A vessel is full of a mixture of kerosene and petrol in which there is 18% kerosene. 8 litres are drawn off and the vessel is filled again with petrol. If the kerosene is now 15%, how much does the vessel hold?QA by AS , Chapter #4Please provide approach.

1) 40
2) 32
3) 36
4) 48
 1)In a race of 500 m, L beats M by 40 sec and beats N by 125m. If M and N run a 500m race, M beats N by 40 secs. Find the time taken by M to run the race? (in secs)
Please explain the approach

1) 240
2) 280
3) 320
4) 360