Question

A workshop was organised at KV number 1 Salt Lake Kolkata the number of participants were 10 more than 8 time the number of mentors and the total strength in the conference hall was a 100.
1) The conference hall was rectangular in shape with length being 5 times than that of the breadth. If total area covered was 125 square metre then what were the exact dimensions of the hall?
2)For sitting arrangement of the participants in the hall how many chairs are needed in each row such that the number of rows is a perfect square number.
Please tell these answers​

Answer 1

Answer:

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Step-by-step explanation:

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