Question

The average weight of 9 mangoes increases by 20 gms,if one of them weighing 120 gm is replaced by another, the weight of the new mango is

• A. 260 m
• B. 200 m
• C. 180 gm
• D. 300 gm

Answer 1

The correct option is D 300 gm

$\Rightarrow$ The average weight of $9$ mangoes increases by $20gms$.

$\Rightarrow$ Total weight increased $9\times 20gms=180gms$

$\Rightarrow$ Weight of new mango $=120gm+180gm=300gms$