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4.Average
easy
The average weight of five persons sitting in a boat is $38\, kg.$ The average weight of the boat and the persons sitting in the boat is $52\, kg.$ What is the weight of the boat (in $kg$)?
A
$228$
B
$122$
C
$232$
D
$242$
Solution
Weight of the Boat $=52 \times 6-38 \times 5=312-190=122\, kg$
Standard 13
Quantitative Aptitude