A) 65
B) 60
C) 70
D) 75
Correct Answer: D
Solution :
[d] A+B=120 ?(i) B+C=130 ... (ii) C+A=140 ... (iii) Adding all three equations 2A+2B+2C=390 A+B+C=195 But, A+B=120 So, \[C=195-\,120=75\]You need to login to perform this action.
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