NIFT UG 2015 Question Paper with solutions

Question : 63 of 150

Marks: +1, -0

If one side of a square is represented by 18x – 20 and the adjacent side is represented by 42 – 13x, the length of the side of the square is ...........

Validate

Solution:

A square has all the four sides equal.

18x–20=42–13x

18x+13x=42+20

31x=62

x=2

So, length of the side of square

=18x–20=18×2–20=16.

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