Question

On selling a tea set at 5% loss and a lemon set at 15% gain, a shopkeeper gains 370.
If he sells the tea set at 5% gain and lemon set at 10% gain, he gains 130. Find the
cost price of the lemon set.
at​

Answer 1

$\huge\color{lime}\boxed{\colorbox{black}{⭐Answer:⭐}}$

we know that,

the general form of quadratic equation is

ax²+bx+c.

now,

the equation is x²-x-3

so, on comparison we get,

a=1

b= -1

c= -3

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