Friday, 26 May 2017

MATHS - PROFIT AND LOSS SHORT TRICKS

Type 1:- The ratio of the cost price and the selling price is 4:5. The profit percent is?
a.        10
b.        20
c.         25
d.        30

Ans:- 25
 profit is always calculated on cost price
so,  c.p=4 , s.p=5
      Profit=s.p-c.p,  5-4=1
  profit %=  profit/cost price * 100, then, 1/4*100= 25



Type 2:- If on selling 12 notebooks a seller makes a profit equal to selling price of 4 notebook, what is his profits percentage?
a.        16.2/3
b.        25
c.         50
d.        None of these

Ans:-50

 if there is profit on selling item = selling price of an article
        To find profit %, simply minus 12 from 4= 8
        
Profit % = 4/8*100=50


Type 3:- A vender loses the selling price of 4 oranges on selling 36 oranges his loss percentage is?

a.        10
b.        11.1/9
c.         12.1/2
d.        None of these

Ans:-10
  if there is loss on selling item = selling price of an article
            to find loss%, simply add 36 to 4 = 40

  Loss % = 4/40*100 = 10


Type 4:- Some article were brought of 6 for rs. 5. And sold  at 5 for rs. 6. Gain percentage is/
a.        30
b.        33.1/3
c.         35
d.        44

Ans:-44
    


Type 5:- A vender by selling 12 toffee for a rupee. A man loses 20%. How many for a rupee should he sell to get a gain of 20%?
a.        10
b.        20
c.         8
d.        12

Ans:- 8
12 toffee for rs 1 loss 20% then 
          c.p = 1*100/80 = 5/4    on this price we have to gain profit of 20%

          So, 5/4* 120/100 = 3/2
         If for Rs. 2/3 we have 12 toffee then for rs 1 we have
        = 12x2/3=8

Type 6:- A sell a bicycle of to B at a profit of 20%. B sell it to C at profit of 25%. If C pays rs. 225 for it the cost price of bicycle is?
a.        110
b.        120
c.         125
d.        150

Ans:- 150
 let cost price be X then,
          x.120/100 . 125/100= 225 
by solving, then X equal to 150

Type 7:- A shopkeeper professes to sell his goods at cost price but uses a weight of 800gm instead of 1kg. thus he makes a profit of?
a.        20%
b.        16.2/3
c.         25
d.        50

Ans :- 25


Type 8 :- A shopkeeper cheats to the extents of 10% while buying as well as selling by using false weight his total gain is ?
a.        10%
b.        11%
c.         20%
d.        21%

Ans :-21%



Type 9 :- An article when sold at a gain of 5% yields rs. 15 more than when sold at a loss of 5%. Its cost price would be
a.        150
b.        200
c.         250
d.        300

Ans:-150
difference between gain % and loss% equal to 10%
            then, 10% = rs. 15
        100% = rs. 150 , that is your cost price

Type 10:- The price of an article has been reduced by 25%. In order to restore the original price the reduced price must be increased by?
a.        25%
b.        30%
c.         33%
d.        33.1/3%
Ans:-33.1/3%


Type 11:- An article was sold at 16% gain. Had it been sold for rs. 200 more, the gain would have been 20% then the cost price of the article is?
a.        5000
b.        4800
c.         4500
d.        5200
Ans :- 5000

difference in gain % equal to 200,
        Then  20%-16%=4%
               4%= 200 then,
        100%= 5000 that is your cost price of the article

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