The monthly expenditure of a family on different heads is shown in the following pie chart. The amount spent on Children’s Education, Transport and Rent is what percentage of the total earnings?

Pie Chart Data (Expenditure on different Heads):

Expenditure Head	Angle (in Degrees)
Rent	60°
Children Education	70°
Food	65°
Transport	50°
Saving	45°
Misc Expenses	75°

The correct answer is 50%.

To find the percentage of the total earnings spent on Children’s Education, Transport, and Rent, we can use the angle values given in the pie chart data.

A complete circle (pie chart) represents a total of 360°.

First, let's find the sum of the angles for the specified heads:
- Rent = 60°
- Children Education = 70°
- Transport = 50°

Sum of the angles = 60° + 70° + 50° = 180°

Next, we calculate the percentage that these combined heads represent out of the total 360° of the pie chart:

$\text{Percentage}=\left(\frac{180}{360}\right)\times 100$

Simplifying the fraction:

$\frac{180}{360}=\frac{1}{2}$

Thus:

$\text{Percentage}=\frac{1}{2}\times 100=50\%$

Therefore, the amount spent on Children’s Education, Transport, and Rent is 50% of the total earnings.