The average age of A and B is 12 years, B and C is 9 years and that of C and D is 23 years. If the
average age of A, B and C is 13 years, find the age of D.
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The age of D is 8 years.(Verified with the above Explaination)
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shreeyag948:
Can u plz resend the whole page I can see only half
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