The average of a set of 8 numbers is 36. If one number, 48, is replaced by 24, what is the new average?

The average of a set of 8 numbers is 36. If one number, 48, is replaced by 24, what is the new average?
8 संख्याओं के एक सेट का औसत 36 है। यदि एक संख्या, 48, को बदलकर 24 कर दिया जाए, तो नया औसत क्या होगा?