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UGC NET CSE | December 2010 | Part 2 | Question: 12

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The value of the following expression $(13 / 4 * 3) % 5 + 1$ is

  1. $5.75$
  2. $2.95$
  3. $1.4875$
  4. $5$
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D.

The value of the following expression (13 / 4 * 3) % 5 + 1 is

According to the precedence of the different binary operators in C,

* / and % has higher precedence than of + and -

The expression enclosed in parenthesis is executed first (13 / 4 * 3)

Since all these operators precedence is the same, they would execute from left to right
13 / 4 = 3
3.25 * 3 = 9
9.75 % 5 = 4 (Modulus operator)
4 + 1= 5

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In C programming context $/,*.\%$ operator having equal precedence and having left to right associativity whereas $+$ sign has less priority than $/,*,\%$ & having left to right associativity.

now according to given expression $(13/4*3)\%5+1$ can be solve in following way:

$((((13/4)*3)\%5)+1)$

$((3*3)\%5)+1)$

$((9\%5)+1)$

$(4+1)$

$5$

Option $(D)$ is correct.
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