a bricklayer lays 210 bricks in 3 hours hoe long will it take for him to lay 840 bricks
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more the no of bricks, more the time will be taken, it is the case of direct proportion
210 bricks layed in 3 hrs
1 brick layed in 3/210 hrs = 3/70 hrs
840 bricks layed in 3/70*840 = 36 hrs
hence ans is 36 hrs
hope helped
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Given :-
A bricklayer lays 210 bricks in 3 hrs.
Therefore,
1 brick = 210/3 = 3/70
840 bricks = 3/ 70 × 840 = 36
Therefore,
840 bricks will be laying in 36 hours.
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Ansh as ans81