MBA Exam

In a shop an acid is available only in sealed bottles of volume 1 litre. The concentration of the mentioned acid is one or the other of three concentrations 20%, 30% and 50%. The cost per litre of the acid having concentration 20%, 30% and 50% is Rs.20, Rs.30 and Rs.40 respectively. Sunil wants to prepare a solution of 10 litres of acid having concentration 40% using the bottles of acid available in the shop.What is the minimum possible amount Sunil must spent in buying the bottles of acid?

1) 330
2) 333.33
3) 360
4) 340
5) 380

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MBA Other Question
A man sells an article at a gain of 10%. If he had bought it at 10% less and sold it for $132 less, he would have still gained 10%. The cost price of the article is$1200$1188$1320$1336.40

1) a
2) b
3) c
4) d
 Two lines P and Q intersect at point (3, 2) in the x-y plane.
The slope of line P is 45º and line Q is parallel to the x-axis. What is
the area (in sq. units) of the triangle formed by P, Q and a line
perpendicular to P and passing through point (5, 4)?

1) 12sq.units
2) 4sq.units
3) 6sq.units
4) 8sq.units