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The cost of Jowar increased by 12%. How much percent its consumption also be increased such that the expenditure on it’s raised by 40%.Options28%25%30%24%

Question

The cost of Jowar increased by 12%. How much percent its consumption also be increased such that the expenditure on it’s raised by 40%.Options28%25%30%24%

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Solution

The problem can be solved using the formula for expenditure which is Expenditure = Price * Consumption.

Given that the price of Jowar increased by 12%, let's denote the original price as P and the new price as P1. So, P1 = P + 0.12P = 1.12P.

The expenditure on Jowar is raised by 40%, let's denote the original expenditure as E and the new expenditure as E1. So, E1 = E + 0.40E = 1.40E.

We know that E = P * C (where C is the original consumption) and E1 = P1 * C1 (where C1 is the new consumption).

Substituting the values of E1 and P1 in the equation E1 = P1 * C1, we get:

1.40E = 1.12P * C1 1.40(P * C) = 1.12P * C1 1.40C = 1.12C1 C1 = 1.40C / 1.12 = 1.25C

This means the consumption of Jowar should be increased by 25% to raise the expenditure on it by 40%.

So, the correct option is 25%.

This problem has been solved

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