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16 Nov 2018, 09:44
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C
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Difficulty:
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Question Stats:
86% (01:25) correct
14%
(01:41)
wrong
based on 449
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A warehouse had a square floor with area 10,000 square meters. A rectangular addition was built along one entire side of the warehouse that increased the floor by one-half as much as the original floor. How many meters did the addition extend beyond the original building?
(A) 10
(B) 20
(C) 50
(D) 200
(E) 500
(A) 10
(B) 20
(C) 50
(D) 200
(E) 500
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16 Nov 2018, 09:49
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Side of square will be 100 meters.
Area of rectangle = 5000 sq.m
Let extension be x
x*100 = 5000
x = 50
Option C
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Area of rectangle = 5000 sq.m
Let extension be x
x*100 = 5000
x = 50
Option C
Posted from my mobile device
16 Nov 2018, 09:53
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According to the Q the current dimn of the floor is 100* 100 sq meter . Thus one side is 100 m .
The area to be added by addition is 10,000/2 i.e., 5,000 sq meter. Let the length be x meter .
Hence , x m*100m =5,000 sq meter =====> x m= 50 m .... Hence Ans C.
The area to be added by addition is 10,000/2 i.e., 5,000 sq meter. Let the length be x meter .
Hence , x m*100m =5,000 sq meter =====> x m= 50 m .... Hence Ans C.
