A firm's cost of making $x$ units is ₹ $(1{,}200 + 30x)$ and its revenue is ₹ $55x$ . What is the least number of units it must sell to make a profit?

22

Correct answerYour answer

40

Correct answerYour answer

48

Correct answerYour answer

49

Correct answerYour answer

Show the answer and explanation

CorrectNot quiteAnswer D

Correct answer: D

Worth noting

At 48 units revenue equals cost exactly: no loss, but no profit either.

Ten questions from Numerical Inequalities, at your own pace.

Ten questions from Numerical Inequalities, at your own pace.

A firm's cost of making xxx units is ₹(1,200+30x)(1{,}200 + 30x)(1,200+30x) and its revenue is ₹55x55x55x. What is the least number of units it must sell to make a profit?