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7.) 3yr ago the average ageof A and B was 18 yr. With C joining them,now the average became 22 yr. How old is C now?a) 24 yr(b)27 yr(c)28 yr(d)30 yr |
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Answer» Answer: ans D 30 yrs Step-by-step EXPLANATION: REFER attachment marks as brainliest if you found helpful |
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