NCHMCT JEE 2021 Question Paper with solutions for online practice

Question : 74 of 200

Marks: +1, -0

The length of a rectangle is

20 \%

more than its breadth. What will be the ratio of the area of this rectangle to the area of a square whose side is equal to the breadth of the rectangle?

$5: 6$
$6: 5$
$2: 1$
Data inadequate

Validate

Solution:

Let the breadth of the rectangle be

x

.
According to the question,
Length

=1.20 x

∴

Area of rectangle

=1.20 x × x=1.20 x^{2}

Area of square

=x × x=x^{2}

∴

Required ratio

=\;{1.20 x^{2}}/{x^{2}}=\;{12}/{10}=\;{6}/{5}=6: 5

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