TS ICET 24th May 2019 Shift-1

Question 85

What is the minimum number of square tiles required to pave a floor of dimensions 24.78 meters x 22.26 meters?

Solution

HCF     2478     2226

                    252

  $$2 \times 126$$

 $$2 \times 18 \times 7$$  

HCF = $$2 \times 3 \times 7$$

= 42

No.of tiles    $$2478 \times 2226$$  

                              42 $$\times$$ 42

$$\Rightarrow 59 \times 53$$

= 3127

Hence the answer is option B


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