Question

if one pen cost is 10 rupees than 5 pen cost is what ?

Answer 1

if 1 pen cost is rs 10
then 5 pen cost is 5 ×10 = 50 rupees
I hope you will understand...

Answer 2

If one pen cost is 10 RS.
Then 5 pens will have cost =5×10
= 50 Rupees
HOPE IT HELPS YOU