Question

kisi bastu ko 20% ki chhut me 192 me kharida gya to uska ankit mulay kya hogi​

Answer 1

Let the C.P. of that thing be x.

=S.P. =192

=Discount%=20%

=Discount=Discount%* C.P.

=Discount=20/100*x

=1/5x

=x/5

As per the rule,

=C.P.=S.P.+discount

=x=192+x/5

=x-x/5=192

=x/1-x/5=192

=L.C.M of 1 and 5=5

=x/1 * 5/5=5x/5

=x/5 * 1/1=x/5

=5x/5 - x/5=192

=5x-x/5=192

=4x/5=192

=4x=192*5

=4x=960

=x=960/4

=x=240

Therefore, C.P. of that thing is 240.

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