Find the number of whole numbers in the solution set of following
x−5<−2;x∈W,
A
2
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B
3
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C
4
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D
5
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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