दो संख्याएँ 7 : 5 के अनुपात में हैं। यदि उनका धनात्मक अंतर 360 है, तो उनमें से बड़ी संख्या ज्ञात कीजिए:

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)?