Find the number of whole numbers in the solution set of following
$x - 5 < - 2; x \in W$ ,

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Solution

The correct option is B 3
$x - 5 < - 2$
= $x < - 2 + 5$
= $x < 3$
As $x$ is a Whole number there are three numbers on the number line, these are 2,1 and 0
hence set $x$ = $(2, 1, 0)$
Ans = $3$ numbers

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