3 संख्याओं का औसत 12 है यदि इनमें से दो संख्याएं 13 और 15 है तो तिसरी संख्या क्या है
Answers
Answered by
4
Answer:
9 is the third no.
Explanation:
(13+15+x)÷3=12
15+12+x=36
27+x=36
x=36-27
x=9
third no. is 9
THANKS
Similar questions