All categories

3 years ago

a shopkeeper sold a pen at loss of 20%. if he had sold it for rs 10 more, he would have gain 5%.find the cost price of pen

Mathematics

1 answer:

AlexFokin [52]3 years ago

8 0

Rs 200
since the questions states that if he sold it for 10 more, he would have gained 5%, 10=5%
1%=2
100%=200

You might be interested in

What is the LCF of 60 and 10 ?

jarptica [38.1K]

Do you mean LCM

If you just want to know what is the least common multiple of 10 and 60, it is 60

3 0

3 years ago

Read 2 more answers

Find the value of a and b if root3-1/root3+1+ root3+1/root3-1=a+root3 b

Digiron [165]

Answer:

a=4 and b = 0

Step-by-step explanation:

Given : $\dfrac{\sqrt 3 -1}{\sqrt 3+1}+\dfrac{\sqrt 3+1}{\sqrt 3-1}=a+\sqrt 3 b$

To find, The value of a and b

Solution,

Solving LHS of the given equation,

$\dfrac{(\sqrt 3-1)^2+(\sqrt3+1)^2}{(\sqrt 3+1)(\sqrt 3-1)}=a+\sqrt 3 b$

Since,

$(a-b)^2=a^2+b^2-2ab\\\\(a+b)^2=a^2+b^2+2ab\\\\(a-b)(a+b)=a^2+b^2$

So,

$\dfrac{3+1-2\sqrt 3+3+1+2\sqrt 3}{3-1}=a+\sqrt 3 b\\\\4=a+\sqrt 3 b$

$4+0=a+\sqrt 3 b$

On comparing we get :

a = 4 and b = 0

4 0

3 years ago

How can you solve the equation 4x= 2X-2 graphically?

Vanyuwa [196]

This is 4x=2x-2 as a graph

4 0

3 years ago

Read 2 more answers

Aniya states that the quotient of -5 divided by 20 is an irrational number. Explain if you agree or disagree with her statement.

pochemuha

Answer:

-5 divided by 20 isn't an irrational number because the quotient of that problem equals -0.25. If the decimal form of a number stops or repeats, the number is rational. If the decimal does not stop and does not repeat, the number is irrational. Therefore, since -0.25 stops, it is a rational number, and not an irrational number.

Step-by-step explanation:

Sorry if the explanation isn't good, or there are some grammar mistakes. But i hope this helps :)

6 0

3 years ago

How can 563*10 to the 3rd power be scientific notation.(Use the photo above please)

zaharov [31]

563*(10*10*10) that's you scientific notation

6 0

3 years ago

a shopkeeper sold a pen at loss of 20%. if he had sold it for rs 10 more, he would have gain 5%.find the cost price of pen​

a shopkeeper sold a pen at loss of 20%. if he had sold it for rs 10 more, he would have gain 5%.find the cost price of pen