Question

his loss percent.
7. By selling 90 ball pens for 180, a person loses 20%. How many ball pens should he sell for 96, so
to have a gain of 20%?
8. Two items were bought at the same cost. One was sold at a profit of 100% and the other​

Answer 1

Answer:

SP of 90 ball pens is =180 Rs. at the loss of 20%.

CP of 90 ball pens is=180*100/80

=18*100/8

=18*25/2

=9*25

CP =225

CP of 1 ball pen is=225/90

=2.5 Rs.

He want to gain 20%.

The new SP is=2.5*120/100

=3 Rs.

So he will sell 20%=96/3

=32 ball pens.

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