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23 May 2020, 07:01
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C
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Difficulty:
5%
(low)
Question Stats:
98% (00:40) correct
2%
(01:11)
wrong
based on 116
sessions
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What is the area of the floor of rectangular room 10B ?
(1) The length of room 10B is 8 meters.
(2) The perimeter of room 10B is 24 meters.
DS21271
(1) The length of room 10B is 8 meters.
(2) The perimeter of room 10B is 24 meters.
DS21271
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Archit3110
Major Poster
23 May 2020, 08:10
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Bunuel
area of rectangle = length * breadth
#1
The length of room 10B is 8 meters.
breadth now know insufficient
#2
2*(l+b) = 24
l+b=24
l,b not know insufficient
from 1 &2
l=8 , b = 16
area ; 8*16 ; 128
option C sufficient
12 Jun 2020, 22:46
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What about the height of the room?
