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GATE 2018 EE – Question 5

General Aptitude · Quantitative Aptitude: Arithmetic and Number Computation · 1 mark · Multiple choice

Functions $F(a,b)$ and $G(a,b)$ are defined as follows: $F(a,b)=(a-b)^2$ and $G(a,b)=|a-b|$, where $|x|$ represents the absolute value of $x$. What would be the value of $G(F(1,3),G(1,3))$?

  1. 2
  2. 4
  3. 6
  4. 36

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Show answer and explanation

Correct answer: (A) 2

Explanation

$F(1,3)=4$ and $G(1,3)=2$, so $G(4,2)=|4-2|=2$.