There are three persons A A A , B B B , and C C C in a room. If a person D D D joins the room, the average weight of the persons in the room reduces b...

CAT Medium Averages MCQ

Question

There are three persons

A

B

, and

C

in a room. If a person

D

joins the room, the average weight of the persons in the room reduces by

x , \text{kg}

. Instead of

D

, if person

E

joins the room, the average weight of the persons in the room increases by

2x , \text{kg}

. If the weight of

E

is 12 kg more than that of

D

, then the value of

x

is:

1.5

0.5

average weightalgebraic equationslogical constraintscat 2023

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