The average weight of 5 men decreases by 3 kg when one of them weighing 150 kg is replaced by another person. Find the weight of the new person.

125 kg 100 kg 120 kg 135 kg

135 kg

Lets assume, average  weight of 5 men is x kg                    and Weight of new person is y kg So, 5x-150 +y = 5 (x-3)                    y = 135 Hence weight of new person is 135 Kg