"By selling a pen for Rs. 15, a man loses one-sixteenth of what it costs him. The cost price of the
Channel: Doubtnut
Date: 2020-04-05

"By selling a pen for Rs. 15, a man loses one-sixteenth of what it costs him. The cost price of the pen is
a. `R s .16`
b. `R s .18`
c. `R s .20`
d. `R s .21`"