alleryStart learning →A firm has cost Rs 2000 + 50x and revenue 90x for x units. What is the least whole number of units that gives a profit?
A40
B51
C49
D50
Answer & Solution
Correct answer: B. 51
Profit needs 90x > 2000 + 50x, so x > 50, and the least whole number is 51.
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