SSC CHSL 15 Nov 2015 Shift 2 Paper

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Question : 110 of 200

Marks: +1, -0

The Vulgar fraction of 0.3939...... is:

$11/39$
$17/39$
$13/33$
$15/33$

Solution:

Number = 0.39
Let

x=0.39

------(i)
⇒

100x=39.39

----(ii)
Subtracting equation (i) from (ii),
⇒

100x − x = 39.39 − 0.39

⇒

99x = 39

⇒

x = 39/99 = 13/33

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