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Linear Inequalities — Maths STD 11 Science — Question

CBSE BoardEnglish MediumSTD 11 ScienceMathsLinear Inequalities1 Mark
MCQ
If $x$ is a positive integer and $20 x < 100$ then find solution set of $x.$
  • A
    $(0, 1, 2, 3, 4, 5)$
  • B
    $(1, 2, 3, 4, 5)$
  • ✓
    $(1, 2, 3, 4)$
  • D
    $(0, 1, 2, 3, 4)$
✓

Answer

Correct option: C.
$(1, 2, 3, 4)$
$20\text{x}<100$
Dividing by $20$ on both sides, $\text{x}<\Big(\frac{100}{20}\Big)$
$\Rightarrow\text{x}<5$
Since $x$ is a positive integer so $x = 1, 2, 3, 4.$

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