Maths-
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Easy

Question

An office building has a room with a square-shaped floor. The actual length of the floor is 90 times the length of the floor on a blueprint drawn to scale. The actual area of the floor is p times the area of the floor on the blueprint. What is the value of p ?

The correct answer is: 8100


    Explanation :
    Step 1:
    let a1 be the side or length of square on site and a2 be the length of square on blue print. Given, fraction numerator a 1 over denominator a 2 end fraction = 90
    Step 2: Then area’s of respective squares will be (a1)2 and (a2)2
    Then the ratio of the areas of  squares are  [fraction numerator a 1 over denominator a 2 end fraction]2 = p
    So p= (fraction numerator a 1 over denominator a 2 end fraction)
    P = (90)2
    ∴The value of  p is  8100

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