Question

By selling 50 pens for Rs.160 a person loses 20%. The number of pens he should sell for Rs. 96 so as to have a profit of 20% is
a) 20
b) 16
c) 24
d) none of the above

Answer 1

sells each pen for 160/50 = 3.2 Rs.
he loses 20% so cp was 0.32 / 0.8 = 40 R
to make 20 prpfit he should sell ay 48 Rs
for 96 he sells 96 / 4.8 = 20

answer a)