Question

plz tell the answer for this question

Answer 1

hope this helps you.....

Answer 2

a+b+c/3 =4 -(1)
then sum of frst 2 sources is 6 ,it means a+b=6
from(1)-
6+c=12
c=12-6=6

your answer is 6 .....
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thx Fr seeing my ans