model 9 selling an article & interchanging its values Section-Wise Topic Notes With Detailed Explanation And Example Questions
MOST IMPORTANT quantitative aptitude - 11 EXERCISES
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New 249+ Profit and Loss Questions and Answers for TNPSC »
The following question based on profit & loss topic of quantitative aptitude
(a) Rs.222.50
(b) Rs.435
(c) Rs.222
(d) Rs.267
The correct answers to the above question in:
Answer: (c)
89% of the cost price = Rs.178
111% of the cost price
= Rs.$178/89$ ×111= Rs.222
Using Rule 3,If an object is sold on r% Profit.
then,S.P. = C.P$[{100 + \text"Profit%"}/100]$orC.P. = S.P$[100/{100 + \text"Profit%"}]$
Similarly, If an object is sold on r% loss, then
S.P. = C.P.$[{100 - \text"Loss%"}/100]$orC.P. = S.P$[100/{100 - \text"Loss%"}]$
C.P. = $178 × 100/{100 - 11} = 17800/89$
C.P. = 200
S.P. = $200 × ({100 + 11}/100)$ = Rs.222
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Read more selling article changing values Based Quantitative Aptitude Questions and Answers
Question : 1
By selling an article for Rs.480 a person lost 20%. For what should he sell it to make a profit of 20%?
a) Rs.800
b) Rs.720
c) Rs.680
d) Rs.760
Answer »Answer: (b)
According to question,
S.P. = Rs.480, Loss% = 20%
Cost price = $100/80 × 480$ = Rs.200
Required price = $120/100 × 600$ = Rs.720
Question : 2
By selling an article for Rs.700 a man lost 30%. At what price should he have sold it to gain 30% ?
a) Rs.910
b) Rs.1232
c) Rs.1300
d) Rs.1200
Answer »Answer: (c)
Using Rule 3,
C.P. of article = $(100/{100 - Loss%})$ × S.P.
= $100/{100 - 30} × 700$ = Rs.1000
S.P. for a profit of 30%
= 1000 × $130/100$ = Rs.1300
Question : 3
A radio is sold for Rs.990 at a profit of 10%. What would have been the actual profit or loss on it, had it been sold for Rs. 890 ?
a) Rs.10 loss
b) Rs.90 loss
c) Rs.90 profit
d) Rs.10 profit
Answer »Answer: (a)
C.P. of radio = $100/110 × 990$ = Rs.900
Loss = 900 - 890 = Rs.10
Using Rule 3,
C.P. = S.P.$(100/{100 + Profit%})$
= $990(100/{100 + 10}) = 99000/110$
C.P. = 900
Loss = C.P. - S.P.
= 900 - 890 = Rs.10
Question : 4
By selling a table for Rs.1140, a man loses 5%. in order to gain 5%, the table must be sold for
a) Rs.1260
b) Rs.1180
c) Rs.1250
d) Rs.1320
Answer »Answer: (a)
C.P. of table = 1140 × $100/95$ = Rs.1200
S.P. at 5% gain = ${1200 × 105}/100$ = Rs.1260
Using Rule 3,
C.P. = S.P.$(100/{100 - Loss%})$
= $1140(100/{100 - 5}) = 114000/95$ = Rs.1200
S.P. = C.P. ×$({100 + Profit %}/100)$
= $1200({100 + 5}/100)$
= $1200 × 105/100$ = Rs.1260
Question : 5
A man bought 20 dozen eggs for Rs.720. What should be the selling price of each egg if he wants to make a profit of 20% ?
a) Rs.3.25
b) Rs.3.50
c) Rs.3.60
d) Rs.3.30
Answer »Answer: (c)
Using Rule 1,
If S.P > C.P. then there will be profit
Profit = S.P. - C.P.
Profit% = ${\text"Profit" × 100}/{\text"C.P."}$
CP of 1 egg = $720/{20 × 12}$ = Rs.3
Required SP of 1 egg = $3 × 120/100$ = Rs.3.60
Question : 6
By selling a fan for Rs.600, a man loses 10%. To make a gain of 20%, the selling price of the fan should be
a) Rs.900
b) Rs.700
c) Rs.800
d) Rs.1000
Answer »Answer: (c)
C.P. of fan = Rs.$({600 × 100}/90)$
Required S.P. = ${600 × 100}/90 × 120/100$ = Rs.800
Using Rule 3,
C.P. = S.P.$(100/{100 - Loss%})$
= ${600 × 100}/{100 - 10}$
C.P. = $60000/90 = 6000/9$
New S.P. = C.P. × $({100 + Profit%}/100)$
= $6000/9({100 + 20}/100) = {60 × 120}/9$ = Rs.800
GET profit & loss PRACTICE TEST EXERCISES
Model 1 Basic Concepts of C.P and S.P
model 2 gain lost percentage
model 3 gain/loss % with C.P/S.P
model 4 sold & brought
model 5 marked price
model 6 sold in circular path
model 7 sold at loss
model 8 two article sold in different rates
model 9 selling an article & interchanging its values
model 10 reduced/increased price of an article
model 11 ratio & partnership
profit & loss Shortcuts and Techniques with Examples
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Model 1 Basic Concepts of C.P and S.P
Defination & Shortcuts … -
model 2 gain lost percentage
Defination & Shortcuts … -
model 3 gain/loss % with C.P/S.P
Defination & Shortcuts … -
model 4 sold & brought
Defination & Shortcuts … -
model 5 marked price
Defination & Shortcuts … -
model 6 sold in circular path
Defination & Shortcuts … -
model 7 sold at loss
Defination & Shortcuts … -
model 8 two article sold in different rates
Defination & Shortcuts … -
model 9 selling an article & interchanging its values
Defination & Shortcuts … -
model 10 reduced/increased price of an article
Defination & Shortcuts … -
model 11 ratio & partnership
Defination & Shortcuts …
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