CMAT Exam 2023 Shift 1 Solved Paper

Question : 17 of 100

Marks: +1, -0

The least number of square tiles required to pave the floor of a room 15 m 91 cm and 9 m 46 cm broad is

Solution:

Let the number of square tiles be

{\n}

and the area of each square tile be

x^2

Length

=1591 {\cm}

Breadth

=946 {\cm}

{\x}

is the H.C.F of 1591 and 946.

\;1591=43 × 37

\;946=43 × 2 × 11

\;x=43

\;n(43)(43)=(1591)(946)

\;n=37 * 22=814

The answer is option A.

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