Profit & Loss

Profit & Loss | Maths

Cost Price (CP) : The price at which an article is purchased
Selling price (SP) : The price at which an article is sold
Profit (Gain) : When SP > CP
Loss: When CP > SP
Profit = SP - CP
Loss = CP - SP
Profit%=(Profit/CP) x 100
Loss%=(Loss/CP) x 100
Discount = MP - SP
The discount percent is calculated on the marked price.
Discount percent =(Discount/Marked price)x 100
If there are two successive profits of x% and y% in a transaction then the resultant profit percent is
x + y + (xy/100)
If there is a profit of x% and loss of y% in a transaction, then the resultant profit or loss
percent is
x - y - (xy/100)
according to the (+)ve and
the (-)ve signs respectively.
If cost price of x articles is equal to the selling price of y articles, then profit percent.

[(x - y)/y ] *100

Questions

1.രാമു ഒരു സാധനം 20% ലാഭത്തിൽ 360 രൂപയ്ക്ക് വിറ്റു. എങ്കിൽ വാങ്ങിയ വില എത്ര ? (STORE KEEPER-KSFDC 2018)

Profit%=(Profit/CP) x 100

20/100= (360-CP)/CP

2CP= 3600 - 10CP

12 CP=3600

CP= 300

2.If the cost price of 15 books is equal to the selling price of 12 books. What is the profit percentage ? (Women Civil Excise Officer 2018)
[(x - y)/y ]*100
[(15-12)/12] *100 300/12 25

3.200 രൂപയ്ക്ക് വാങ്ങിയ ഒരു സാധനം 230 രൂപയ്ക്ക് വിറ്റാൽ ലാഭം എത്ര ശതമാനം ? (Process Server - Judicial 2018)
Profit%=(Profit/CP) x 100
[(230-200)/200] * 100 30/2=15%

4.A person bought a thing for Rs. 90 and sold it for 90 Rs. and 90 paise. Find out the profit percentage. (Caretaker Male 2018)

Profit%=(Profit/CP) x 100
[(90.90-90)/90] * 100
(0.90/90)*100 = 1

5.ഒരാൾ 15% ലാഭത്തിന് 10 കിലോഗ്രാം ആപ്പിൾ വിറ്റു. 10 കിലോഗ്രാം ആപ്പിളിന്റെ വില 500 രൂപയെങ്കിൽ 1 കിലോഗ്രാം ആപ്പിളിന്റെ വിറ്റ വിലയെന്ത്? (LGS 2018)
Profit%=(Profit/CP) x 100
15=[(SP-500)/500 ] * 100 SP-500=75 SP= 575 for 10 kg SP for 1kg=575/10=5.75

6.പുതിയൊരു മൊബൈൽ ഫോൺ വാങ്ങുന്നതിനായി വിസ്മയ 15,000 രൂപയ്ക്ക് വാങ്ങിയ പഴയ ഫോൺ 15% നഷ്ടത്തിൽ വിറ്റു. എത്ര രൂപയ്ക്കാണ് പഴയ ഫോൺ വിറ്റത് ? (WOMEN POLICE CONSTABLE NCA 2018)
Loss%=(Loss/CP) x 100
15=[(15000-SP)/15000 ] * 100
SP=15000-2250=12750

7.If 15 apples and 20 oranges cost as much as 20 apples and 15 oranges, which of the following conclusions is correct. (Secretary,Block Panchayat 2018) (A)Orange and apples have identical prices (B)Orange's price is double that of apple (C)Non conclusion can be drawn (D)Apple is cheaper than orange
Answer : A
15A+20B=20A+15B
5A=5B
A=B

8.If cost price of 25 books is equal to selling price of 20 books, then calculate the gain or loss percent. (Civil Police Officer 2018)
[(x - y)/y] *100 [(25-20)/20] *100 500/20 25

9.മനു ഒരു പേന 225 രൂപയ്ക്ക് വാങ്ങി അത് മധുവിന് 125 രൂപയ്ക്ക് വിറ്റു. എങ്കിൽ മനുവിന് കിട്ടുന്നത് ലാഭമോ നഷ്ടമോ? എത്ര രൂപ? (AYAH 2018)
225-125=100 നഷ്ടം

10. 7 പേനകൾ വാങ്ങി 90 രൂപ കൊടുത്തപ്പോൾ 6 രൂപ ബാക്കി കിട്ടി എന്നാൽ ഒരു പേനയുടെ വില (Gardener Gr III 2018)
84/7=12

11.If by selling an article for ₹ 360, Ramu gains 20%. Find his cost price. (Junior Assistant KSFE /KSEB/KSRTC 2018)

Profit%=(Profit/CP) x 100

20/100= (360-CP)/CP

2CP= 3600 - 10CP

12 CP=3600

CP= 300

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