दो संख्याएँ एक तीसरी संख्या से क्रमशः 60% और 20% अधिक हैं। दोनों संख्याओं का अनुपात है:

If all the girls in school B and school C participated in the function, find the ratio between the number of boys in school B and school C who participated in the function.

Which of the following examples represents an inverse proportional relationship (reverse movement)?