And why can't you simply Google these questions. Stop asking such questions on Quora 50cents of which currency my friend? I'll just assume you mean 50 cents of a US Dollar Then again, which curreny do you mean? Indian Rupee? Pakistani Rupee? read more
Just do it by Mathematical way You know that $1 (100 cents) currently = 52.64 RPS. put this as 100/40 find 10/x 100/52.64=10/X x= 5.264 RPS so 10 cents = 5.264 RPS. read more