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NIELIT 2017 DEC Scientific Assistant A - Section A: 32

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3 Answers

1 1 vote

Option B. ₹300

If 6% is ₹18 then 100% = $\frac{18 * 100}{6}$ = ₹300

0 0 votes
$18\%-12\% \implies \text{₹}18$

$6\% \implies \text{₹}18$

$1\% \implies \text{₹}3$

Now, $100\% \implies \text{₹}300.$

So, the correct answer is $(B).$
0 0 votes
Say the actual cost is x, and extra(for profit) is y
x + y = 1.12x
x + y + 18 = 1.18x
so, 1.12x + 18 = 1.18x
x = 18/0.06 = 300
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