model 2 net increase or decrease in % Practice Questions Answers Test with Solutions & More Shortcuts

Question : 31 [SSC CGL Prelim 2004]

The number of employees working in a farm is increased by 25% and the wages per head are decreased by 25%. If it results in x % decrease in total wages, then the value of x is

a) 25%

b) $25/4$%

c) 20%

d) 0%

Question : 32 [SSC CGL 2000]

The price of an article is decreased by 10%. To restore its former value the new price must be increased by :

a) 11%

b) 11$1/9$%

c) 9$1/11$%

d) 10%

Question : 33 [SSC CGL Tier-I 2013]

The price of an article is first decreased by 20% and then increased by 30%. If the resulting price is Rs.416, the original price of the article is

a) Rs.405

b) Rs.450

c) Rs.400

d) Rs.350

Question : 34 [SSC CGL Tier-I 2010]

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

a) Rs.27.50

b) Rs.25

c) Rs.26.50

d) Rs.30

Question : 35 [SSC CAPFs SI 2015]

A number is increased by x %; to get back to the original number, it is to be reduced by

a) ${100x}/{100 + x}$%

b) $x/{100 + x}$%

c) ${10x}/{100 + x}$%

d) x %