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Q.

What is the length of the room if the area of a room is 65 1 4 m 2 and the breadth is 5 7 16 m ?


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a

13m

b

14m

c

11m

d

12m 

answer is D.

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Detailed Solution

Given:
Area of room =65 1 4 m 2 .                               Breadth of room =5 7 16 m.                             We know that,
Area of room = length of room × breadth of room.  Therefore, length of room = area of room ÷ breadth of room     So, length of room =65 1 4 ÷5 7 16 .
Question Image               Therefore, the length of the room =12 m.
Hence, option (4) is correct.
 
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