Question

LU Delhi, 2013
5. The average weight of three men 'X', 'Y' and
'Z' is 75 kgs. Another man 'A' joins the group
and the average weight now becomes 80 kgs. If
another person 'B' whose weight is 5 kgs more
than ‘A’ replaces 'X', then the average weight
of 'Y', 'Z', 'A' and 'B' will be 85 kgs. What is the
weight of 'X'?
(a) 78 kgs.
(b) 84 kgs.
(c) 82 kgs.
(d) 80 kgs.​

Answer 1

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Answer 2

Answer:

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