RRB Assistant Loco Pilot and Technician Model Paper 9 with solutions

Question : 18 of 100

Marks: +1, -0

The price of an article was first increased by 10% and then again by 20%. If the last increased price be ₹ 33, the original price was

Solution:

(d) Net increase percentage
=

( 10 + 20 + { 20× 10 }/ { 100 } )

% = 32 %
∴

x× { 132 } /{ 100 } = 33

⇒

x = { 33 × 100 } /{ 132 }

= ₹ 25

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