MBA Exam

a machine produces a certain item at a rate of 200 units/hr. the cost of production of each item is Rs 6. the sale price of each item is Rs 12. none of the items are defective. if the rate of production is increased by Y% the no. of defective units become (4+0.05Y)% and the cost of production of each item increases by Y/2%. find the profit (in Rs/hr) if the machine production goes up to 240 units/hr( in Rs/hr)?

1) 1152
2) 1248
3) 1200
4) 1128

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MBA Other Question
If points A and B are randomly placed on the circumference of a circle with radius
2, what is the probability that the length of chord AB is greater than
2?

1) 1/4
2) 1/3
3) 1/2
4) 2/3
5) 5/6
 A starts 3 minutes after B from the same point for a place at a distance of 4.5 miles. B, on reaching his destination, immediately returns and after walking a mile meets A. if A's speed be a mile in 18 minutes, what is B's speed?

1) 1/12 miles/minute
2) 1/6 miles/minutes
3) 1/24 miles/minute
4) 1/3 miles/minute