Data Analysis Practice Test 1

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Directions (25-26): Study the information and answer the questions.
Raghuraman, a Mathematics teacher while giving a demonstration to his Mathematics class, asked his students to solve the problems given below based on the information that the change in the length and breadth of a rectangle is +20% and -10% respectively.
In case then measurement of length and breadth is unknown.
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Question : 26 of 65
 
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Find the change in the perimeter of the field with the change in the length and breadth if its length is 100 m and breadth is 80 m?
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