(a+b+c)/3= 36.
D is added then average become something (I don't remember this). Then E is added who is 2 times of D. Then what is weight of a?

• canot be determined.becoz we hav not given the avg in the case when D added or E added.atleast one of them should be mentioned...
• 10 years agoHelpfull: Yes(4) No(0)
• r u kidding me ?
• 9 years agoHelpfull: Yes(0) No(0)