model 11 percentage with ratios 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 : 11 [SSC CISF ASI 2010]
If A exceeds B by 60% and B is less than C by 20%, then A : C is
a) 8 : 5
b) 4 : 5
c) 25 : 32
d) 32 : 25
Answer »Answer: (d)
Let C = 100; B = 80
A = ${80 × 160}/100 = 128$
A : C = 128 : 100 = 32 : 25
Question : 12
The ratio between Ram's age and Rahim's age is 10:11. What is the age of Rahim in percentage of Ram's age ?
a) 111$1/9$%
b) 111%
c) 110%
d) 109$1/11$%
Answer »Answer: (c)
Required percent = $11/10 × 100 = 110%$
Question : 13 [SSC CGL Tier-I 2014]
Two numbers A and B are such that the sum of 5% of A and 4% of B is $2/3$ rd of the sum of 6% of A and 8% of B. The ratio A : B is
a) 1 : 1
b) 2 : 3
c) 3 : 4
d) 4 : 3
Answer »Answer: (d)
Numbers ⇒ A and B
${A × 5}/100 + {B × 4}/100$
= $2/3({A × 6}/100 + {B × 8}/100)$
5A + 4B = ${12A + 16B}/3$
15A + 12B = 12A + 16B
15A – 12A = 16B – 12B
3A = 4B
$A/B = 4/3$ = 4 : 3
Question : 14
If 20% of A = 30% of B =$1/6$ of C, then A : B : C is
a) 10 : 15 : 18
b) 15 : 10 : 18
c) 3 : 2 : 16
d) 2 : 3 : 16
Answer »Answer: (b)
20 % of A = 30 % of B = $1/6$ of C
${20A}/100 = {30B}/100 = C/6$
$A/5 = B/{10/3} = C/6 = k (let)$
A = 5k, B = $10/3$k, C = 6 k
A : B : C = 5k : ${10k}/3$ : 6 k
= 15 : 10 : 18
Question : 15 [SSC CHSL 2015]
A milkman mixed some water with milk to gain 25% by selling the mixture at the cost price. The ratio of water and milk is respectively
a) 1 : 5
b) 1 : 4
c) 4 : 5
d) 5 : 4
Answer »Answer: (b)
C.P. of 1 litre of milk= Rs. 100
Mixture sold for Rs. 125
= $125/100 = 5/4$ litre
Quantity of water = $5/4 - 1 = 1/4$ litre
Required ratio = $1/4$ : 1 = 1 : 4
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model 11 percentage with ratios Shortcuts »
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Click to Start..percentage Shortcuts and Techniques with Examples
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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 …
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