NIFT UG 2012 Question Paper with solutions

Question : 131 of 150

Marks: +1, -0

If the duty on an article be reduced by 40% of its price, by how much per cent should the consumption of that article increase so that the revenue may be increased by 10%?

$83{1/3}$
$72{1/3}$
$63{1/3}$
Can’t say

Validate

Solution:

100–40=60

100+10=110

110–60=50

% increase

=50/60×100

=250/3=83{1/3}%

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