Model 6 Consumption & Remaining Practice Questions Answers Test With Solutions & More Shortcuts
PERCENTAGE PRACTICE TEST [11  EXERCISES]
Model 1 Simple Percentage Questions
Model 2 Net Increase Or Decrease In %
Model 3 Reducing & Exceeding Prices
Model 4 X & Y Comparison
Model 5 Income & Expenditure
Model 6 Consumption & Remaining
Model 7 Marks Scored In Examinations
Model 8 Population Based
Model 9 Voters & Election
Model 10 Percentage With Allegations & Mixture
Model 11 Percentage With Ratios
Question : 1 [SSC CGL TierII 2015]
Water tax is increased by 20% but its consumption is decreased by 20%. Then the increase or decrease in the expenditure of the money is
a) 4% increase
b) 4% decrease
c) 5% decrease
d) No change
Answer »Answer: (b)
Using Rule 4,
If a number is increased by a% and then it is decreased by b%, then resultant change in percentage will be $(a  b  {ab}/100)$% (Negative for decrease, Positive for increase)
Percentage effect
= $(20  20 + {20 × 20}/100)%$ = – 4%
Negative sign shows decrease.
Question : 2 [SSC CGL Prelim 2008]
If the price of a commodity is increased by 50%, by what fraction must its consumption be reduced so as to keep the same expenditure on its consumption ?
a) $2/3$
b) $1/3$
c) $1/4$
d) $1/2$
Answer »Answer: (b)
Using Rule 8,
Required fractional decrease
= $R/{100 + R} = 50/{100 + 50} = 1/3$
Question : 3 [SSC CGL Prelim 2007]
The price of a certain item is increased by 15%. If a consumer wants to keep his expenditure on the item the same as before, how much per cent must he reduce his consumption of that item ?
a) 10$20/23$%
b) 13$1/23$%
c) 15%
d) 16$2/3$%
Answer »Answer: (b)
Using Rule 8,
If the income of a man is A% more than another man, then the income of another man is less in comparison to the 1st man by
$(A/{(100 + A)}×100)$%
If the price of a commodity increases by R%, then reduction in consumption, not to increase the expenditure is given by
$(R/{100 + R} × 100)$%
= $15/{100 + 15} × 100 = 15/115 × 100$
= $300/23 =13{1}/23$%
Question : 4 [SSC CPO S.I.2004]
If the price of tea is increased by 20%, by how much per cent the consumption of tea be reduced so that there is no increase in the expenditure on it ?
a) 8$1/3$%
b) 20%
c) 83$1/3$%
d) 16$2/3$%
Answer »Answer: (d)
Using Rule 8,
Reduction in consumption
= $(R/{100 + R}× 100)%$
= $(20/120×100)% = 50/3% = 16{2}/3%$
Question : 5 [SSC SO 2005]
The price of petrol is increased by 25%. By how much per cent a car owner should reduce his consumption of petrol so that the expenditure on petrol would not be increased ?
a) 20%
b) 30%
c) 25%
d) 50%
Answer »Answer: (a)
Using Rule 8,
Required per cent = ${25 × 100}/125 = 20%$
IMPORTANT QUANTITATIVE APTITUDE EXERCISES

Top 199+ Percentage Aptitude Questions Answers Mcq Quiz »

New 159 Percentage Aptitude (Increase, Decrease) Mcq Quiz »

Latest 200+ Aptitude Percentage Based Questions Mcq Quiz »

New 250+ Aptitude Percentage Questions With Solutions Mcq »

255+ Top Aptitude Percentage Shortcuts Questions Mcq Test »

249+ Aptitude Percentage Problems with Solutions Mcq Quiz »

New Aptitude Percentage Questions with Solutions Mcq Quiz »

199+ Percentage Aptitude Questions Solutions Mcq for Bank »

Top 299+ Aptitude Percentage Questions Mcq Quiz Bank Exam »

Top 199+ Percentage Aptitude Online Test For UPSC TNPSC »

New 150+ Percentage Question & Answer for All Bank Exams »
Model 6 Consumption & Remaining Shortcuts »
Click to Read...Model 6 Consumption & Remaining Online Quiz
Click to Start..PERCENTAGE SHORTCUTS AND TECHNIQUES WITH EXAMPLES

Model 1 Simple Percentage Questions
Defination & Shortcuts … 
Model 2 Net Increase Or Decrease In %
Defination & Shortcuts … 
Model 3 Reducing & Exceeding Prices
Defination & Shortcuts … 
Model 4 X & Y Comparison
Defination & Shortcuts … 
Model 5 Income & Expenditure
Defination & Shortcuts … 
Model 6 Consumption & Remaining
Defination & Shortcuts … 
Model 7 Marks Scored In Examinations
Defination & Shortcuts … 
Model 8 Population Based
Defination & Shortcuts … 
Model 9 Voters & Election
Defination & Shortcuts … 
Model 10 Percentage With Allegations & Mixture
Defination & Shortcuts … 
Model 11 Percentage With Ratios
Defination & Shortcuts …
QUANTITATIVE APTITUDE CATEGORIES

» Number System

» Average

» LCM & HCF

» Percentage

» Profit & Loss

» Time & Work

» Pipes & Cisterns

» Time & Distance

» Trains

» Compound Interest

» Simplification

» Discount

» Power

» Permutations & Combination

» Ratio & Proportion

» Advance Math

» Algebraic Expressions

» Trigonometric Ratios & Identities

» Simple Interest

» Alligation & Mixtures

» Boats & Streams

» Set Theory

» Linear Equations

» Quadratic Equations

» Mensuration

» Squareroots & Cuberoots

» Data Sufficiency

» Logarithm

» Probability

» Statistics
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