Profit And Loss - Study Mode

[#111] Bhuvnesh sell two tape recorders at the same price. On one, he gains 10% and on the other he loses 10%. The total gain or loss in the transaction is = ?
Correct Answer

(B) 1% loss

Explanation

Solution: In such type of question always loss $$frac{{P\% imes L\% }}{{100}} = frac{{10 imes 10}}{{100}} = 1\% ,{ ext{loss}}$$

[#112] A cloth merchant has announced 25% rebate in prices. If one needs to have a rebate of Rs. 40 then how many metres of cloth costing Rs. 32 per metre he should purchase = ?
Correct Answer

(B) 5m

Explanation

Solution: Let x metre of cloth will be purchased. According to the question, $$eqalign{
& x imes 32 imes frac{{25}}{{100}} = 40 cr
& x imes 8 = 40 cr
& herefore x = 5,m cr} $$

[#113] A shopkeeper expects a gain of $$22frac{1}{2}$$% on his cost price. If in a week, his sale was of Rs. 392, what was his profit ?
Correct Answer

(C) Rs. 72

Explanation

Solution: $$eqalign{
& { ext{C}}{ ext{.P}}{ ext{. = Rs}}.left( {frac{{100}}{{122.50}} imes 392}
ight) cr
& ,,,,,,,,,,, = { ext{Rs}}.left( {frac{{1000}}{{1225}} imes 392}
ight) cr
& ,,,,,,,,,,, = { ext{Rs}}{ ext{. }}320. cr
& herefore { ext{Profit}} = { ext{Rs}}.left( {392 - 320}
ight) cr
& ,,,,,,,,,,,,,,,,,,,, = { ext{Rs}}{ ext{. }}72 cr} $$

[#114] Two items A and B are sold at a profit of 10% and 15% respectively. If the amount of profit received is the same, then the cost price of A and B may be = ?
Correct Answer

(C) Rs. 3000, Rs. 2000

Explanation

Solution: Profit of A = Profit of B (given) 10% A = 15% B $$eqalign{
& frac{{ ext{A}}}{{ ext{B}}} = frac{{15}}{{10}} = frac{3}{2} cr
& { ext{A}}:{ ext{B}} = 3:2 cr} $$ Now with the help of option, check the ratio of cost price of A and B Option : C 3000 : 2000 3 : 2

[#115] A man buys a toy for Rs. 25 and sells it for Rs. 30. His gain percent is = ?
Correct Answer

(A) 20%

Explanation

Solution: According to the question, Cost price = Rs. 25 Selling price = Rs. 30 Profit = Selling price - Cost price = 30 - 25 = Rs. 5 $$eqalign{
& { ext{Profit}}\% = frac{5}{{25}} imes 100 cr
& ,,,,,,,,,,,,,,,,,,,,, = 20\% cr} $$