Find the average of 12, 18, 24, 30, 36.

Find the average of 15, 25, 35, 45.

Find the average of 5, 10, 15, 20.

Find the average of 10, 20, 30.

Find the average of 22, 28, 34, 40.

A sum of Rs. 1320 is divided between A and B in the ratio 5:6. Find the smaller share.

Find the average of 8, 16, 24, 32, 40.

A sum of Rs. 2160 is divided between A and B in the ratio 4:5. Find the larger share.

Find the average of 50, 60, 70.

A sum of Rs. 1890 is divided between A and B in the ratio 5:4. Find A's share.

Find the average of 100, 150, 200, 250.