Question

A radio was sold for Rs. 1520 at a gain of 10%. Find its cost price.​

Answer 1

Answer:

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Answer 2

Solution

Given :-

• S.P. of radio = Rs. 1520
• Gain of radio = 10% .

Find :-

• C.P. of radio

Explanation

Using Formula

$\boxed{\underline{\tt{\red{\:C.P.=\:\dfrac{S.P.\times 100}{(100+profit\%)}}}}}$

Keep Value,

==> C.P. = ( 1520 × 100)/(100 + 10)

==> C.P. = 152000/110

==> C.P. = 15200/11

==> C.P. = 1381.8181

Hence

• Cost price of radio will be = Rs. 1381.82

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Important Formula

$\boxed{\underline{\tt{\orange{\:CP\:=\dfrac{(SP\times 100)}{(100-lose\%)}}}}}$

$\boxed{\underline{\tt{\orange{\:profit\%\:=\:\dfrac{(profit\times 100)}{CP}}}}}$

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