Question

The total utility derived by Kartik by eating 12 oranges is 400 utils.MU of the 13th orange is 20 utils. The total utility for 13 oranges will be______ utils.

(a) 413
(b) 420​

Answer 1

Answer:

b should be correct

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Answer 2

The correct answer is 420 utils.

Given: The total utility of 12 oranges = 400 utils.

MU of 13th orange = 20 utils.

To Find: Total utility of 13 oranges.

Given:

The total utility of 12 oranges ($TU_{12}$)= 400 utils.

And, Marginal utility of 13th orange ($MU_{13}$)= 20 utils.

So, the marginal utility of 13 oranges is difference of total utility of 13 and 12 oranges.

$MU_{13}=TU_{13} -TU_{12}$

20 = x - 400

x = 420 utils.

Hence, the total utility of 13 oranges is 420 utils.

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