SSC
Government Jobs Exams
Numerical Ability
Arithmetic
The average weight of 8 person's increases by 2.5 kg when a new person comes in place of one of them weighing 65 kg. What is the weight of the new person?
Options
1) 75 Kg
2) 50 Kg
3) 85 Kg
4) 80 Kg
Read Solution (Total 4)
-
- Total weight increased = (8 x 2.5) kg = 20 kg.
Weight of new person = (65 + 20) kg = 85 kg. - 9 years agoHelpfull: Yes(0) No(0)
- 85
each person weight increases by 2.5 kg
total 8 persons =2.5*8=20
65+20=85
- 9 years agoHelpfull: Yes(0) No(0)
- Total increased wt=(2.5*8)=20 kg
so,new person wt=(65+20)=85kg
- 9 years agoHelpfull: Yes(0) No(0)
- ans is 85kg
x/8=y,
(x+z)/8=y+2.5,
then z=85. - 9 years agoHelpfull: Yes(0) No(0)
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