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Q.01 A floor 5m long and …

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Q.01 A floor 5m long and 4m wide. A square carpet of sided 3m is laid on the floor. Find the area of the floor that is not corpeted. Q.02 Jaidev takes 2 1/5 minutes to walk across the school ground. Rahul takes 7/4 minutes to do the same. Who takes less time and by what fraction ?
  • 1 answers

Sia ? 2 years, 11 months ago

ANSWER 1
Given :
Length of floor is 5m
Breadth of the floor is 4m
So, (applying ar. l × b)

ar. of floor = 4m × 5m = 20m2. Side of the carpet is 3m
So, (applying ar. of sq. = side × side (s))
area of carpet = 3m × 3m = 9m2.
To find the area of the floor that is not carpeted or (uncarpeted) we will (-) minus the ar. of floor from ar. of carpet
area which is not carpeted or (uncarpeted) = 20m2-9m2
= 11m2.
Hence, the answer Is 11m sq.

ANSWER 2:

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