When the price of rice is increased by 32%, a family reduced its consumption in such a way that the expenditure on rice is only 10% more than before. If 30 kg was consumed per month before, then the new consumption per month is:

25 kg

Let price is 100 and consumption also 100.

Latest price is 100 +32 = 132 and consumption = 100 + 10 = 110.

Consumption has to reduce 132 - 110 = 22.

Now, out of 132, family has to reduce 22.

So, out of 30, family has to reduce 22/132 * 30 = 5.

New monthly consumption = 30 - 5 = 25